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🍼 Upgrade your baby’s sip game—safe, smart, and spill-proof!
The BelBeyo Sippy Cup Conversion Kit transforms Comotomo baby bottles into spill-proof sippy cups using 100% safe, FDA-approved silicone components. Featuring a single-piece weighted straw for easy cleaning and ergonomic handles for independent grip, this eco-friendly 2-pack supports smooth weaning while reducing waste and saving money.













| ASIN | B08SLK8JH5 |
| Age Range Description | Infant |
| Best Sellers Rank | #21,202 in Baby ( See Top 100 in Baby ) #160 in Baby Bottle Nipples |
| Bottle Nipple Type | Vented |
| Bottle Type | Vented Baby Bottle |
| Brand | BelBeyo |
| Capacity | 8 ounces |
| Color | Green |
| Customer Reviews | 4.5 out of 5 stars 371 Reviews |
| Item Weight | 0.13 kg |
| Liquid Flow Speed | Variable Flow |
| Manufacturer | BelBeyo |
| Material Type Free | BPA Free, Lead Free, Phthalates Free |
| Number of Items | 1 |
| UPC | 759049329008 |
| Unit Count | 2 Count |
P**A
Excelente
Excelente
T**R
Perfect transition!
We’ve been using comotomo bottles from the beginning. I recently started looking for silicone sippy cups, but every one we’ve tried has leaked. I found these by chance, and absolutely love that I don’t have to buy whole new cups, and so far they’ve been leak-free! My son loves that he can hold it himself, unlike the 360 open cups that we’ve had to hold for him, plus he can carry it around with him while he plays. So glad I found these!
I**E
Father Approved - Levi (my son) daily use
My son Levi uses this every day. At first, he didn’t like it, but now it’s part of his daily routine. No complaints if he refuses milk, it’s only because he’s full, not because of the product. Plus, it’s very easy to clean, which I really appreciate.
M**Y
NOT Spill Proof, but Still Great
Great converter from a bottle to a sippy cup, but only mostly spill proof. If the cup is sideways or upside down, the liquid will dribble out the slit in the top. And if your child squeezes the main squishy part of the bottle, it will squirt out!
A**K
Good for babies
These were great for my baby up until she got to the age where she started squeezing the bottle, squirting her drink everywhere and biting the nipple lol however the bottle itself doesn’t leak
E**I
Súper
Me encantó esto los pomos como tomo son bastante caros y esto te da la opción de poder usarlos por mucho más tiempo a mi bebé le encantó mucho más que las tetinas originales y sólo tiene 4 meses
E**H
Good transition; not so good for older baby
This is a nice transition to sippy cups as it attaches to the comotomo bottles. Unfortunately, my daughter bit holes in the spout right away which caused them to leak everywhere. She is a year and a half old.
D**E
Great innovative product
This is a great product. Daughter loves these as it’s familiar to her bottle. Great for transitioning away from a bottle.
Trustpilot
3 weeks ago
3 weeks ago