Thinkbaby Thinkster Bottle, Light Blue (9 ounce)

Safety was on the top of my list when looking for sippy cups for my daughters. I love that these cups are not just BPA free like most but is actually free of numerous other chemicals that other cups contain. I have listed the chemicals that are not in this cup below. I also love that the straws are a safe silicone material. Unlike other reviewers ours do not leak!!! I have purchased 5 so far and all have worked wonderfully. Also, the straw is not too hard to drink from. Both my girls, who are very different, were able to figure out how to drink from the straw by 10 months. It’s also great that the handles are removable because not all children prefer handles and without them they fit into so many pockets in diaper bags and cup holders in strollers! I buy a pack of replacement straws about every 4 months and I have never had a problem with any. I showed a picture of the bottle on its side so you can see that the cup does not leak. If it starts to leak it may be because your straws are too old and worn out.Chemicals it does not contain per the company’s site-No utilization of known carcinogenic, reproductive toxic, endocrine disrupting, neurotoxic materialsDo not contain health compromising chemicals – including alkylphenols, polyurethane, petroleum distillates, phosphates, chlorine, chlorinated or brominated solvents, petroleum-derived or petrochemical fragrances, parabens, sulfur oxides, organohalides, formaldehyde, trichloroethylene (TCE), perchloroethylene (Perc), dioxins and furans, hexavalent chromium, organophosphate pesticides, polybrominated diphenyl ethers (PBDEs), di-(2-ethylhexyl)phthalate (DEHP), 2,4, dichlorophenoxyacetic acid (2,4, D) or toxic dyesDo not contain PVC, PET, Melamine, or LeadDo not contain bisphenol-A (BPA), PFCs, PBDE (polybrominated diphenyl ethers)No animal testing

Best straw sippy cup, and we have tried tons of the more expensive and less expensive ones. It’s the only one I have found that won’t leak milk, and that won’t spray milk across the carpet when my baby throws it. We used these to transition straight from the bottle to straw cups because my baby then couldn’t get the concept of tilting the head back for the sippy cup. These work wonders. My only complaint is that occasionally if the baby drinks it down quickly like a bottle, I have to squeeze the straw tip to release some air. We travel regularly on a plane with these filled with water, and I have not had a leak yet. They are also much easier to clean than the b box or zoli straw cups that cost more. I own a BabyBrezza sterilizer that sterilizes and dries bottles, and these fit perfectly. Although, I believe they don’t endorse sterilizing for other many environmental reasons, they have held up in the dishwasher and In my sterilizer. I do like the plastic ones better than the metal ones mainly because my baby still likes to throw things; the metal is heavier than the plastic, and when thrown it has a bit more weight- mine now has a small dent. My only complaint is Now that I wrote this great review. I can’t seem to find anywhere to purchase them. Ugh! Thinkbaby, please save this mommy her carpets, and bring this back!!!!

Gotten a lot of use out of this cup. My daughter loves it and it's small and transportable. It's easy to clean and doesn't leak. My only criticism is that although it's pretty durable (she's dropped it too many times to count), after about a year of hard use, the plastic "lid" broke off, which causes it to leak when it's in the diaper bag. We use one of those Boon silicone cup covers over it, and that works in place of the lid.

I really want to like this cup. The color is cute and it is leak proof. However, the straw is very difficult to suck through, even for me. my 18-month old simply doesn‘t like using it.

thinkbaby sippy cups stand out from other sippy cups because the straw is super soft. My 8 month old baby refuses to drink from a bottle, but she'll drink from this straw cup! As all sippy cups, it will leak if you let milk warm up in the bottle due to expansion. However, it's great for water, juices, etc. It doesn't leak when dropped. This cup does stem the flow of liquid so it's not meant for older toddlers (over 1.5-2 years, I would switch). The straw opening can tear over time, but replacement straws are inexpensive. Overall, I'd recommend!

Do not buy these! I bought 4 of these a few months ago and I just looked at the tip of the straw and noticed that little pieces of plastic were missing--which I can only hope that my son did not swallow. I tried contacting the company a few times to see if this is common with these cups and that I was concerned that my son had swallowed the plastic and I never got a response. I had the bottle conversion kit so obviously the products are supposed to last for awhile since they are meant to grow with your child as they go from using a bottle to a sippy cup. I noticed the pieces of plastic missing about 2 months after I bought them and did not write a review yet because I was waiting on a response from the company, but they never responded. They never answer the phone and they say the "fastest way to reach us is by e-mail," yet they don't respond. Terrible customer service. Terrible products. Such a shame top because the choices for safe baby products are so limited. I thought I had found a winner with this brand, but I will never purchase another thinkbaby product again.

So, I'm a first time mom who is addicted to research and google. My daughter is breastfed and never took to a bottle. She is about to turn one and I wanted to introduce her to a sippy cup, but decided against the traditional sippy due to studies that show they can seriously impact speech and dental development. A straw cup seemed like the natural solution. While I had initially intended to steer clear of plastic, I was very impressed with the thinkbaby operation. My daughter loves this freaking thing. It is very well made, easy to use, easy to clean, and overall well executed. I only bought one to make sure it would work, but I will definitely be buying more.