Weighted Straw Sippy Cup Conversion Kit, Compatible for Comotomo Baby Bottle, 5 Ounce and 8 Ounce (2 Packs, Green)

This is one of my favorite systems. My 18 month old still always tips straw cups so I love the weighted straw. It's awesome to have an add on the get for bottles you already have. I like the straw it's not super straight out kind of flares. My favorite part is the top that slides close. This doesn't work as well on the 5oz bottles because of how long the straw is it curves back up so when there's not a lot in the cup it doesn't reach so it'd be cool to maybe include one for that height?

Works well with our comotomo bottles. Super easy to attach to the bottle and my 1 yrs can drink some water from his favorite bottle! It does not leak from any angle. Amazing product!

Wanted to like this so badly to save my ComoTomo cups. Fits well and is simple to clean but leaks like crazy no matter how tight you screw on the lid. BuY only if your kid is extra careful.

These are convenient but the straw can be challenging to use. Takes practice. You have to bite it because it’s an anti leek straw.

Surprisingly great and durable! The straps are essentially useless though and the connectors could be choking hazards. I recommend using with larger Comotomo bottles because of the straw length though you could cut that easily.

The media could not be loaded. These were awesome on the first use. Would’ve been perfect. If only the cap stayed on the hole, but since it doesn’t, the contents leak EVERYWHERE. Awesome idea, terrible quality. I should’ve listened to the other reviews. Sadly had to return

I have been a Comotomo fan from day one and I even though we've had these for only two weeks, my kid loves them. It is a familiar shape and feel so she likes it better than her other sippy cups. The only downside is that she will not take it off her neck and wants to wear it as a purse all day long, this of course not a product issue more than a kid issue, ha!

I bought this for my LO as a transition from his bottle. We use comotomo bottles and so this product was a great product to use so we wouldn’t have to buy a whole new bottle. When it first arrived, I only received one soppy cup top instead of the two pack. Luckily, Amazon was able to send me the two pack. When we first used the product it worked great but after I disassembled it so that I could clean it, it stopped working so well. My LO has to suck really hard to get any water or milk to come up the straw. I even tried it myself and could barely get any liquid. Really bummed out that they didn’t work as well as I had hoped.