Unacceptable choice for a "training" cup.
We bought it to stop using the bottle and I guess we now belong to the category of parents who spend 10 euros on useless items.
1. The straw cannot be washed. Moisture remains inside it since the straw does not have free water flow to be rinsed adequately. If someone uses detergent, be sure that your child will definitely be drinking detergent residues as well.
2. We tried it before giving milk to our daughter and we literally sweated to drink all the contents. The little one (2 years old) literally gets soaked trying to drink her milk. She struggles to finish it as if she’s working an eight-hour shift on a construction site.

It is good for cold and lukewarm drinks. If it is hot, the drink rises up through the straw. Also, if you don't close the straw well on the inside of the lid, it spills again. Ideal use for water, and not filled to the top but 3/4 of the cup. The weight is very helpful, of course.

It worked for us from the very first moment! Countless drops, no breakage or leakage. It doesn't accept replacements, but I think it's good for plastic products to be replaced after a while because, no matter how you look at it, these are microplastics, and everyone claims they are completely safe. Thorough cleaning is essential (the included brush-wire makes it easier). Regarding the flow, when the valve is closed (meaning the straw is snapped in from below), there is no leakage, and swallowing at any angle is possible and safe. Yes, in this case, it is more difficult for the child to suck, or to put it more accurately, it is controlled and trains the child in suction. Now that our little one has grown, we personally have "unsnapped" the straw from the slot under the lid, and the flow is free. However, be careful because in this case, leaks are not prevented if the cup is on its side or turned upside down!

Very nice!! It locks well and doesn't leak! The straw is soft and follows the movements of the cup!!! Even when lying down, the baby can drink from it!
The negative thing is that there are no replacement straws to change only the straw at 6 months and not the whole cup!

Update: It remains troublesome to clean, so I deduct 1 star, but I add 2 more stars because although it may not be suitable for water, it is suitable for milk and my child has been drinking from it exclusively from 15 months old until now, at 2.5 years old!

I consider it very troublesome to clean and my little one doesn't want to drink from it! We will stick to the Twistshake cup with a straw, I am very satisfied with it, I haven't found a better one so far.

It retains odors, does not clean easily, and after a short period of use, it starts to leak. Perhaps the rubber bands loosen, there are more high-quality and affordable options available

Value for money. The truth is that it doesn't easily suck up water, but if you poke it with a pin in the straw, it works fine.

UPDATE: Don't poke it! It has a nylon bag in the weight inside the bottle. Remove it and the child will suck just fine.

The pen broke quite easily and there are no replacements. However, it is very convenient in size and the weight is very useful, so I will choose it again.

Two children learned to suck on the straw from the first time at 6 months. Also, due to the low flow, it helped them until 9 months to stop using the bottle

I saw the very good reviews and I bought it. The child, while drinking from other cups with a straw (13 months old), cannot suck from this straw. Neither can I. Unless we received a defective one

It does not leak at all, it locks with a "click" and can be used by the child even inside the crib, without ruining everything. This is the third one we have purchased. The little one had the smaller one and now that she is 2 years old, we got this one with the larger capacity.

My daughter has been using it successfully since the first day. The only negative thing is that it doesn't have a replacement tip.

Very good. Resistant to falls. The straw does not leak at all. It requires "strength" to suck the baby.

It easily drips, easy plastic for grip for small hands. I do not consider it worth its money.

My 8-month-old daughter struggled a lot to drink water, while she drank comfortably from another brand. I chose it because it has the weight in the nipple, unlike the Avent one we have. But I couldn't drink from it either. The downside is that it doesn't have replacement nipples. So it has a short lifespan.

Perfect!!! We stopped being afraid that it would get wet in every attempt to drink, but also when moving it from where it sits and plays.

Very good! Definitely worth it. Perfect that the straw has the weight and no matter how you hold it, you can drink.

The child almost cut a piece off because he was biting it hard, I can't find a replacement straw, so we are talking about a product that has a lifespan of 2 months

Terrible! Even though it has a brush for the straw, if you put anything other than water inside (e.g. milk, juice), it doesn't clean at all and then the child can't suck from the straw! I threw it away!

Very good and it doesn't leak at all, if you attach the straw correctly inside the lid. The weight at the bottom of the straw helps the child drink and hold it properly.

As a cup, it is nice, especially the straw inside that rotates depending on how the child turns it. Also, it doesn't leak if it is turned upside down because the straw also rotates inside... However, it was so difficult to suck at first.... I couldn't even suck, because of the protective membrane inside.. So, I took a pin and scratched it a little in hopes that the membrane would open somehow... After that, I can say that it sucked more easily than before..

The purchase was a disaster. Even I have a hard time sucking from the straw, let alone my little one... and she is only 20 months old! The most unsuccessful purchase.

Very good! The little one, 13 months old, found it on the first try, after other failed attempts with other sippy cups with or without a straw. The only drawback is cleaning the straw (difficult)

Easy to use! It also includes a special cleaning brush for the straw. The straw is made of silicone, so it is flexible and does not hurt the child's gums.

We got it when the baby was twelve months old because whatever we had tried before, he couldn't drink on his own as we had to lift it for him every time. With this cup, he learned to drink water on his own and even a lot. As for what some people write about it dripping a little, I noticed and saw that it only drips when a "valve," let's call it, on the inside of the lid comes off. So I keep an eye on it and fasten it when my little one throws the cup down. I have two negatives to mention: 1) the "teeth" on the lid broke very quickly with a few tumbles of the cup, which is not the best in terms of hygiene. 2) the bristles on the accompanying brush for cleaning the straw wore out very quickly. Now it has caught dirt inside, so we will get the same cup again without thinking.

Unfortunately, from the first day we used it, it runs backwards when turned. I bought it because we use the rest of the series and they are very good. Unfortunately, not this one

My son simply loves it. Since we got it, he doesn't want to use any other of the 3 different ones I have for him... We have had it for 8 months now. I would definitely like there to be spare tips for it, hence the 4 stars.

Easy to use and clean. It doesn't leak as long as it is closed properly, even if it is turned upside down.
My child drinks water and juice, but refuses to drink his milk in this. Maybe it's because he finds resistance in the straw and doesn't have patience when he's hungry

Don't buy it.
I bought 2 pieces because they seemed nice, but the children (2 and 5 years old) can't easily suck on them and they gave up

Excellent!!! I bought the product about two months ago! Both my daughter and my son, 3 years old and 18 months old respectively, have been drinking more water since we got the cups! It is easy to clean and the straw cleans effectively with the brush! I am very satisfied! Just be careful with the valve closure to avoid leaks!!!