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🍼 Upgrade your baby’s sip game—because every drop counts!
The Straw Cup Soft Spout Conversion Kit by ROPOSY converts Philips Avent Natural Baby Bottles (2oz to 11oz) into convenient straw cups. Made from heat-resistant, BPA and lead-free food-grade PP, it features a 360° gravity ball straw for easy sipping in any position. This 2-pack kit is leak-resistant, durable against teething, and easy to clean, offering a seamless transition from bottle to cup for babies.



























| ASIN | B0BHVRVS7V |
| Age Range Description | Baby |
| Best Sellers Rank | #9,750 in Baby ( See Top 100 in Baby ) #196 in Baby Bottles #245 in Toddler Cups |
| Bottle Nipple Type | Orthodontic |
| Bottle Type | Standard Bottle |
| Brand | ROPOSY |
| Capacity | 11 ounces |
| Color | Straw Cup Conversion Kit |
| Customer Reviews | 4.4 out of 5 stars 705 Reviews |
| Item Weight | 110 g |
| Liquid Flow Speed | Adjustable flow speed |
| Manufacturer | Hefei Xinteng Hardware & Plastic Co., Ltd. |
| Material Type Free | BPA Free, Bisphenol A Free, Phthalate Free, Lead Free |
| Number of Items | 2 |
| Unit Count | 2 Count |
L**Y
Easy transition (for us)
I have ordered these twice now and love them. We had the Philips Avent bottles with regular nipples and not having to buy more bottles is nice! Just swap them out with these ones! I wish they had short ones for the tiny bottles. I have had no issues with leaking, unless it’s been pushed against something else. Super easy to clean and my baby took to it much better than a sippy cup!
L**A
Awesome product
I love this it’s SUPER easy to assemble, easy to clean. I’m not yet sure of how durable the nipple is since I just started using it today but my 6 (7 tomorrow 😊)month old has two bottom teeth and has yet to bite a hole into it. It does seem durable and sturdy though. It doesn’t leak which is awesome since he just leaves his bottles thrown all over the bed 😂 I highly recommend the price is awesome. Everything about this little kit is great. And it’s easy to use for him. He is able to lay on his back, on his tummy, on his sides, sit up and still be able to drink his milk.
S**I
Great.
This is great for transition. I like this product and still using it.
A**R
Slow flow
This fits well on the Phillips avent bottle both glass & plastic. It functions well works as it should with no noticeable leakage. However I echo another reviewers note that the straw is very narrow. If your baby is already used to straws such as the honey bead cup, the straw gets clogged quickly and doesn’t have a quick flow. We used the Nuk straw cup instead and it was much better.
D**E
nice
easy to clean, durable, and baby loved them
L**�
Great for beginners!
No leakage, fits perfectly with the Phillips Avent bottle. Easy transition from bottle to sippy cup.
Y**S
Perfect
This is my third review ever and I’ve been on Amazon for as long as I can remember. Get these converter kits. My son has had issues with latching since day one, so we couldn’t use the Avent bottles. He’s gonna be a year already and we’ve been doing sippy cups for almost two months. All the cups are different; all the levels of force needed to sip are different. These are perfect. Not too easy that they spill or he chokes, and not so hard that he can’t get anything out. Now I can finally use these bottles!
I**Z
Works great
These are great! My child absolutely loves them. Great for 8 oz bottles, my son did not like the handles but holds his bottle fine without them so it works however they do have a slight leak in the top when warming up but was minimal so I didn’t mind
K**L
Love it! Doesn’t spill and works great!
The best product I’ve ever bought!! total lifesaver and easy for transitioning to a sippy cup!! fits perfectly on my Phillips advent glass 8 ounce bottles as well as the Phillips advent 4 ounce glass bottles. The weighted straw makes it easy for drinking on different angles without getting air. Does not spill without having suction to the nipple of the bottle! 10/10 love it!
M**R
Kit de Conversión con Popote para Biberón Philips Avent Natural
Compré este kit de conversión para biberones Philips Avent Natural y ha sido una excelente compra. Es perfecto para la transición del biberón al vaso con popote, ya que facilita que el bebé aprenda a beber de forma independiente. La boquilla es suave, no lastima las encías y las asas ayudan mucho al agarre, lo que le da mayor control al bebé. El popote con peso funciona muy bien porque permite beber desde cualquier ángulo sin tener que inclinar el biberón, evitando derrames y frustración. Me gustó que el paquete incluya 4 piezas, ideal para tener repuestos o usar varios biberones al mismo tiempo. El material se siente resistente y seguro, y además incluye cepillos para limpiar el popote fácilmente, algo muy importante para la higiene. En general, es un producto práctico, funcional y compatible, ideal si ya usas biberones Philips Avent. Muy recomendable para bebés que están dejando el biberón tradicional.
E**A
Quality
Good quality. Fits Avent bottle
C**A
Leaks and doesn't fit as advertised
For the price I am very disappointed. The materials are of good quality, but the product doesn't fit or work for the Philips Avent nautral 9oz bottles as advertised. The straw is too long for the 9oz bottle and therefore doesn't work properly. The mouth part is also too long for a little one's mouth and leaks. The handles do not fit on the bottle at all. I would give 0 stars if I could. Absolutely awful. Don't waste your money.
M**S
Me llegó incompleto
Buen producto. Pero estoy un poco molesta porque me llegó incompleto. Solo venía lo de dos boquillas y la descripción dice que son 4. Aparte, al principio de usarla todo bien, pero después empezó a regar. No entiendo que pasó
Trustpilot
2 weeks ago
1 day ago