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Thinkbaby Stainless Steel Thinkster Bottle, Pink (9 ounce)

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4.4 4.4 out of 5 stars 1,476 ratings
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Currently unavailable.
We don't know when or if this item will be back in stock.
Brand Thinkbaby
Color Pink
Material Type Free BPA Free
Item Weight 3.2 ounces
Bottle Nipple Type Vented

About this item

  • Free of BPA, phthalates, nitrosamines, lead, PVC, PET, and biologically harmful chemicals
  • No-spill straw features a cross-cut design that prevents leaking when tipped upside down, perfect for 16 to 48 month old children
  • Extra soft, medical grade silicone straw provides easy transition from sippy cups to the next stage of feeding bottles
  • Made from 304 (18/8) medical grade stainless steel
  • Comes with easy-to-use swivel top that reduces chance of spillage during travel, and protects the straw from germs
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What's in the box

  • Straw

    • Product Description

    Think baby products are free of BPA, phthalates, nitrosamines, lead, PVC, PET and biologically harmful chemicals. Cross-cut design spout eliminates spills/mimics natural breastfeeding requiring your little one to nurse to receive fluid. Anti-colic nipple reduces incidence of gas/spit up. Bottle made from 304 ultra-polished stainless steel. Perfect 16-48 months. Dishwasher safe.

    Product information

    Technical Details

    Additional Information

    Warranty & Support

    Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.

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    Thinkbaby Stainless Steel Thinkster Bottle, Pink (9 ounce)

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    Customer reviews

    4.4 out of 5 stars
    4.4 out of 5
    1,476 global ratings
    How customer reviews and ratings work

    Customers say

    Customers like the durability, cleanability, appearance and ease of use of the baby bottle. For example, they mention it's sturdy, easy to clean and dishwasher safe. That said, opinions are mixed on leaking, temperature, value, and performance.

    AI-generated from the text of customer reviews

    78 customers mention61 positive17 negative

    Customers like the durability of the baby bottle. They say it's very sturdy, reliable, and a great first cup when transitioning from bottle. Some mention that it gets cold but it stays.

    "...Everyone always comments on it. Love that it's stainless steel, is VERY hardy and has held up so well with all the times it's hit the ground...." Read more

    "...can be tossed around, hit the ground from the high chair, and still remains in tact...." Read more

    "Enjoying product, easy for my baby to hold and design is thought out. I would give 5 stars if it didn't leak a bit, overall happy with the product...." Read more

    "...Cons: I had an issue with the handle part. Some of the little orange pieces had broken off..." Read more

    49 customers mention40 positive9 negative

    Customers like the cleanability of the baby bottle. They mention it's easy to clean and dishwasher safe.

    "Love this cup! My expectation was stainless steel, easy to clean and no leak when flip over by my little monkey of a toddler with the straw open...." Read more

    "Needed a good, easy cleaning cup specifically for milk for my toddler. This was recommended to us and my son loves it...." Read more

    "...on his own, the cover is great for on the go, stands up well, dishwasher safe, no complaints!" Read more

    "...Easy to hold, doesn’t leak, cleans easily. Best sippy cup out there in my opinion!" Read more

    40 customers mention32 positive8 negative

    Customers like the appearance of the baby bottle. For example, they mention it's made of stainless steel, has a great design, and is fairly spill proof. Some appreciate the clean color and the silicone and stainless steel feature.

    "...We got all that. For cheaper than other brands. We love the nice and clean color...." Read more

    "...Everyone always comments on it. Love that it's stainless steel, is VERY hardy and has held up so well with all the times it's hit the ground...." Read more

    "...Pros:- The base is stainless steel, and the straw is silicone, so no worries about things leaching from plastics into the liquid.-..." Read more

    "...How disgusting and disappointing...." Read more

    29 customers mention24 positive5 negative

    Customers find the baby bottle easy to use. They say it's good for toddlers and great for baby's first water bottle. Some mention that it has a fantastic cover.

    "...But it is easy for my 15 month old to open and close the lid which is the main reason I got it (in addition to being stainless steel)...." Read more

    "...It also seems easier for my daughter to drink out of where as she was gagging when she drank out of the other two brands..." Read more

    "...the handles make it easy for him to drink on his own, the cover is great for on the go, stands up well,..." Read more

    "...This one is easy to clean, easy enough to assemble and disassemble, and , most importantly, doesn’t make baby’s water taste like plastic...." Read more

    153 customers mention58 positive95 negative

    Customers are mixed about the leaking of the baby bottle. Some mention it's leak proof, while others say it appears to leak.

    "...As some people have warned, the bottle WILL leak if you do not screw the top on properly...." Read more

    "...My expectation was stainless steel, easy to clean and no leak when flip over by my little monkey of a toddler with the straw open. We got all that...." Read more

    "...Also, the lid leaks BIG TIME. I wanted to love this cup, but alas I’ll have to keep searching." Read more

    "...Extremely durable, the most leakproof straw I’ve found. It will appear to leak if you dribble the drink down the side when filling, the liquid gets..." Read more

    47 customers mention29 positive18 negative

    Customers have mixed opinions about the temperature of the baby bottle. Some mention that it keeps the water cold, while others say that the container gets so cold it's painful to the touch. They also say that it'd like to know that the stainless steel is not vacuum insulated, which causes condensation.

    "...It's a true thermos too so it will keep cold things cold. (I haven't tried warm so can't comment on that.)..." Read more

    "Liked it but didn’t realize it wasn’t insulated...." Read more

    "...It's a durable cup as it's fallen a lot and keeps the water cold. The only thing I'm disappointed in is that it is only leak proof sometimes...." Read more

    "...These kept the water pretty cool for most of the day at the beach which was nice...." Read more

    26 customers mention11 positive15 negative

    Customers are mixed about the value of the baby bottle. Some mention that it's good value for the money, and the replacement straws are inexpensive. However, others say that it leaks, is disappointed, and a total waste of money.

    "...It’s durable, easy to clean and functional but not a good choice for younger toddlers...." Read more

    "...Also, if/when the straw part gets chewed, its very inexpensive to order the replacements. I love that about this bottle...." Read more

    "...This is literally the worst toddler product I’ve purchased yet...." Read more

    "...Otherwise it's great quality and great value." Read more

    16 customers mention7 positive9 negative

    Customers are mixed about the performance of the bottle. Some mention it works great and is a good alternative to plastic, while others say the overall function of it is disappointing because of the leaking issues.

    "This could be a really nice drinking cup but it fails on a couple major points...." Read more

    "...It’s durable, easy to clean and functional but not a good choice for younger toddlers...." Read more

    "...and it is easy to handle for my toddler but the overall function of it is disappointing because of the leaking issues and fragile straws." Read more

    "...I about died at the $20 cost!!!!!! But thus far it is working out great. My baby can hold it, carry it, drink from it, etc...." Read more

    GREAT non-toxic straw cup! Prevent leaks by making sure vent is properly covered :)
    Amazon Customer
    5 Stars
    GREAT non-toxic straw cup! Prevent leaks by making sure vent is properly covered :)
    This is our new favorite straw cup! TL;DR: Safer materials, no leaks...what more could you really ask for in a sippy?!Pros:- The base is stainless steel, and the straw is silicone, so no worries about things leaching from plastics into the liquid.- Cup is a good size. Generous capacity (10oz) yet not too large- (Removable) handles make the cup very easy to grip- Truly LEAK-FREE! The straw has a cross-cut end to contain liquids, and the vent is covered on the inside. I know lots of the other reviews complain about leaks, but I'm guessing they may not have been aware that you have to make sure the vent is properly covered by the little rubber piece on the inside -- as long as we do that, we've never had a leak. I'll add a couple pics to demonstrate what I mean. Also, a few times I've screwed it on incorrectly, and in those cases it did leak, but the issue was remedied as soon as I noticed the issue and took a moment to screw it on correctly. If you don't think you'd have the patience to take care to make sure you close up everything correctly each time, then this might not be the right cup for you.The only cons for me:- The straw is fairly difficult to remove from the top piece (you have to really yank), but I generally only fully disassemble every few washes anyway (when I'm just serving water), so this isn't that big a deal.- The handles spin freely around the base, which is a little annoying, but not the end of the world. Also, because of the handles this cup won't fit into deeper cupholders (though it fits fine in shallower ones)I've tried two other glass/stainless steel straw cups, and can provide a brief comparison:1) Pura Kiki with the straw top (Pura Stainless Steel Bottle With Silicone Straw & Sleeve, Green). Also really love this system, but it doesn't have handles so I think it's harder to grip for toddlers. It's also leak-free, but the travel cap is also less convenient than on the Thinkbaby, so I think the Thinkbaby is easier to take on the go.2) Green Sprouts Sip N Straw (Green Sprouts Cup - Sip N Straw - Glass - 6 Months Plus - Aqua - 1 Count). Lots more pieces to assemble/wash, since there's a glass inner layer and plastic outer layer. We haven't had a problem with the glass breaking, but other parents have. Has handles, but they also spin freely. Not good for travel since you have to remove the straw and put in the travel disc to make it leakproof.Overall the Thinkster is the one I am reaching for first right now.I'm also adding a pic with a size comparison vs. some other popular sippy cups (BACK: Camelbak, Thinkster, Skip Hop, Munchkin 360 larger model; FRONT: Munchkin weighted straw cup, Oxo Tot, Pura, Thermos Foogo)
    More Hide
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    Top reviews from the United States

    Tracy G. Bui
    5.0 out of 5 stars Stainless steel, no leak, my toddler loves it >> sold!
    Reviewed in the United States on June 2, 2016
    Verified Purchase
    Love this cup! My expectation was stainless steel, easy to clean and no leak when flip over by my little monkey of a toddler with the straw open. We got all that. For cheaper than other brands. We love the nice and clean color. Only bad thing is that when you flip the lid, whatever juice/water still in the lid flick a bit to your face if you face it to your face. Solution: turn it away from your face. Also, there is water condensation if your juice is super cold. My toddler doesn't like it cold so I don't find this a problem. We went from Munchkin plastic straw bottle, which is so hard to clean and mold build up is horrible. We tried the Jabrics, cute but still leaks. We tried the Contigo straw bottle >> leaks like no tomorrow when you flip it over with straw open. Thank God for Amazon return policy. And no, we are keeping this bottle. Also, it sits well in our Diono car seat cup holder.
    Read more
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    Danny
    5.0 out of 5 stars Our favorite kids water bottle
    Reviewed in the United States on September 8, 2017
    Verified Purchase
    I have recommended this water bottle to countless people. Everyone always comments on it. Love that it's stainless steel, is VERY hardy and has held up so well with all the times it's hit the ground. I have several of these bottles for our two toddlers and love that they come in several colors so the boys know which ones are theirs for the day. Also, if/when the straw part gets chewed, its very inexpensive to order the replacements. I love that about this bottle. The other stainless steel bottles I have bought or researched require you to buy a whole new bottle if something breaks or if the straw gets chewed. Think Baby sells the tops and straws separately which is one of the reasons I chose this to begin with. As some people have warned, the bottle WILL leak if you do not screw the top on properly. Also, if the straw isn't threaded through the top and connected correctly it will leak. It takes a couple more seconds to check the straw and get the lid on properly and viola! you are leak free for the rest of the day! Highly recommend.
    Read more
    3 people found this helpful
    Helpful
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    Peekay
    5.0 out of 5 stars Easy lid to open and close for toddler
    Reviewed in the United States on April 23, 2021
    Verified Purchase
    Liked it but didn’t realize it wasn’t insulated. It’s somewhat hard to get the straw out to clean and you can’t clean the straw with it in because it bends. But it is easy for my 15 month old to open and close the lid which is the main reason I got it (in addition to being stainless steel). It is also really leakproof - water doesn’t come out of the straw as much as others because the end of it is closed but with a cross cut so you have to apply a little pressure for water to come out. Which is great since my daughter already knows how to use straws but could be harder for a younger baby
    Read more
    One person found this helpful
    Helpful
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    D. Jacobs
    4.0 out of 5 stars Super durable & easy to clean
    Reviewed in the United States on May 9, 2017
    Verified Purchase
    My daughter loves this. We tried the Nuk & Lola brand sippy cups before switching to ThinkBaby. This is the best out of all of them... it doesn't leak, can be tossed around, hit the ground from the high chair, and still remains in tact. It also seems easier for my daughter to drink out of where as she was gagging when she drank out of the other two brands (maybe the flow was too fast?). *User note: when flying on a plane with it and the lid is closed, be careful when you open it up, as the water will shoot out of the straw from the pressure (we learned the hard way).
    Read more
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    muff
    5.0 out of 5 stars GREAT non-toxic straw cup! Prevent leaks by making sure vent is properly covered :)
    Reviewed in the United States on March 11, 2017
    Verified Purchase
    This is our new favorite straw cup! TL;DR: Safer materials, no leaks...what more could you really ask for in a sippy?!

    Pros:
    - The base is stainless steel, and the straw is silicone, so no worries about things leaching from plastics into the liquid.
    - Cup is a good size. Generous capacity (10oz) yet not too large
    - (Removable) handles make the cup very easy to grip
    - Truly LEAK-FREE! The straw has a cross-cut end to contain liquids, and the vent is covered on the inside. I know lots of the other reviews complain about leaks, but I'm guessing they may not have been aware that you have to make sure the vent is properly covered by the little rubber piece on the inside -- as long as we do that, we've never had a leak. I'll add a couple pics to demonstrate what I mean. Also, a few times I've screwed it on incorrectly, and in those cases it did leak, but the issue was remedied as soon as I noticed the issue and took a moment to screw it on correctly. If you don't think you'd have the patience to take care to make sure you close up everything correctly each time, then this might not be the right cup for you.

    The only cons for me:
    - The straw is fairly difficult to remove from the top piece (you have to really yank), but I generally only fully disassemble every few washes anyway (when I'm just serving water), so this isn't that big a deal.
    - The handles spin freely around the base, which is a little annoying, but not the end of the world. Also, because of the handles this cup won't fit into deeper cupholders (though it fits fine in shallower ones)

    I've tried two other glass/stainless steel straw cups, and can provide a brief comparison:
    1) Pura Kiki with the straw top (     Pura Stainless Steel Bottle With Silicone Straw & Sleeve, Green ). Also really love this system, but it doesn't have handles so I think it's harder to grip for toddlers. It's also leak-free, but the travel cap is also less convenient than on the Thinkbaby, so I think the Thinkbaby is easier to take on the go.
    2) Green Sprouts Sip N Straw (     Green Sprouts Cup - Sip N Straw - Glass - 6 Months Plus - Aqua - 1 Count ). Lots more pieces to assemble/wash, since there's a glass inner layer and plastic outer layer. We haven't had a problem with the glass breaking, but other parents have. Has handles, but they also spin freely. Not good for travel since you have to remove the straw and put in the travel disc to make it leakproof.
    Overall the Thinkster is the one I am reaching for first right now.

    I'm also adding a pic with a size comparison vs. some other popular sippy cups (BACK: Camelbak, Thinkster, Skip Hop, Munchkin 360 larger model; FRONT: Munchkin weighted straw cup, Oxo Tot, Pura, Thermos Foogo)
    Read more
    Customer image
    muff
    5.0 out of 5 stars GREAT non-toxic straw cup! Prevent leaks by making sure vent is properly covered :)
    Reviewed in the United States on March 11, 2017
    This is our new favorite straw cup! TL;DR: Safer materials, no leaks...what more could you really ask for in a sippy?!

    Pros:
    - The base is stainless steel, and the straw is silicone, so no worries about things leaching from plastics into the liquid.
    - Cup is a good size. Generous capacity (10oz) yet not too large
    - (Removable) handles make the cup very easy to grip
    - Truly LEAK-FREE! The straw has a cross-cut end to contain liquids, and the vent is covered on the inside. I know lots of the other reviews complain about leaks, but I'm guessing they may not have been aware that you have to make sure the vent is properly covered by the little rubber piece on the inside -- as long as we do that, we've never had a leak. I'll add a couple pics to demonstrate what I mean. Also, a few times I've screwed it on incorrectly, and in those cases it did leak, but the issue was remedied as soon as I noticed the issue and took a moment to screw it on correctly. If you don't think you'd have the patience to take care to make sure you close up everything correctly each time, then this might not be the right cup for you.

    The only cons for me:
    - The straw is fairly difficult to remove from the top piece (you have to really yank), but I generally only fully disassemble every few washes anyway (when I'm just serving water), so this isn't that big a deal.
    - The handles spin freely around the base, which is a little annoying, but not the end of the world. Also, because of the handles this cup won't fit into deeper cupholders (though it fits fine in shallower ones)

    I've tried two other glass/stainless steel straw cups, and can provide a brief comparison:
    1) Pura Kiki with the straw top ([[ASIN:B019JBA4G0 Pura Stainless Steel Bottle With Silicone Straw & Sleeve, Green]]). Also really love this system, but it doesn't have handles so I think it's harder to grip for toddlers. It's also leak-free, but the travel cap is also less convenient than on the Thinkbaby, so I think the Thinkbaby is easier to take on the go.
    2) Green Sprouts Sip N Straw ([[ASIN:B01KJ9XF08 Green Sprouts Cup - Sip N Straw - Glass - 6 Months Plus - Aqua - 1 Count]]). Lots more pieces to assemble/wash, since there's a glass inner layer and plastic outer layer. We haven't had a problem with the glass breaking, but other parents have. Has handles, but they also spin freely. Not good for travel since you have to remove the straw and put in the travel disc to make it leakproof.
    Overall the Thinkster is the one I am reaching for first right now.

    I'm also adding a pic with a size comparison vs. some other popular sippy cups (BACK: Camelbak, Thinkster, Skip Hop, Munchkin 360 larger model; FRONT: Munchkin weighted straw cup, Oxo Tot, Pura, Thermos Foogo)
    Images in this review
    Customer image Customer image Customer image Customer image Customer image Customer image
    Customer image Customer image Customer image Customer image Customer image Customer image
    114 people found this helpful
    Helpful
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    Jessica Bjerke
    5.0 out of 5 stars Great cup, but does leak with pressure build up
    Reviewed in the United States on November 27, 2022
    Verified Purchase
    Needed a good, easy cleaning cup specifically for milk for my toddler. This was recommended to us and my son loves it. He knows it's his milk-only cup. I see it's not readily available for purchase anymore, which is unfortunate because I love how easy the straw comes apart to clean and I can easily wash the other components as well.
    Read more
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    Luke Hallam
    3.0 out of 5 stars Great
    Reviewed in the United States on March 25, 2022
    Verified Purchase
    This really is leakproof! I wish it was insulated (but that perhaps would make it heavier…) it’s perfect for my 17 month old.
    Edit: this was only leakproof for months - it then started leaking significantly and we weren’t able to make it stop. Reached out to company and got no reply. Our friend has the same one and it doesn’t leak so not sure if ours became defective or what happened… had to throw away because got water everywhere.
    Read more
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    Top reviews from other countries

    Translate all reviews to English
    Samantha
    5.0 out of 5 stars Me encanta
    Reviewed in Mexico on November 16, 2019
    Verified Purchase
    Muy lindo, solo quiero esta marca para mi bebé ahora y es el tamaño perfecto
    Read more
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    Translate review to English
    rachael
    5.0 out of 5 stars Best cup that we have found for our 18 month old
    Reviewed in the United Kingdom on October 17, 2019
    Verified Purchase
    Perfect water container for my 28 month grand child
    Read more
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    Inna P
    2.0 out of 5 stars Baby Flasche
    Reviewed in Germany on March 27, 2019
    Verified Purchase
    Ich muss ehrlich sein, die Flasche ist nicht gebraucht, läuft ab... so schade
    Read more
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    R MUJIPUR RAHMAN
    1.0 out of 5 stars One Star
    Reviewed in India on May 17, 2018
    Verified Purchase
    the product are k, but the accessories rat will too much of cost, cannot maintain this product continuously...
    Read more
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    Jenny
    5.0 out of 5 stars Estoy por comprar otro al hermano... pues es increíblemente bonito
    Reviewed in Spain on March 1, 2018
    Verified Purchase
    Encantadissima con esta botella de acero y su pajita. Muy fácil de limpiar y montar. A mí pequeña se 1 Ali le encanta beber de aquí. Le hace mucha gracia porque tiene un mecanismo para esconder la pajita, y ella misma abre y cierra . Los de plástico se han ido al cubo de la basura.
    Read more
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