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🥤 Elevate your toddler’s sip game with spill-proof style!
Boon Nursh Straw Cup Conversion Tops are innovative silicone lids that convert 8 oz Nursh baby bottles into spill-proof toddler straw cups. Featuring a 100% beverage-safe silicone straw, a valved spill-proof seal, and a rotating flip-top cover, these dishwasher-safe lids ensure hygienic, mess-free sipping. Perfect for toddlers transitioning from bottles, they offer customizable straw length for smaller bottles, combining convenience with safe, easy drinking.


| ASIN | B08ZH9H35L |
| Best Sellers Rank | #4,746 in Baby ( See Top 100 in Baby ) #130 in Toddler Cups |
| Brand | Boon |
| Brand Name | Boon |
| Closure Type | Flip Top |
| Color | Clear |
| Customer Reviews | 3.9 out of 5 stars 2,412 Reviews |
| Included Components | 2 Silicone Straw Conversion Tops |
| Item Highlight | 2 Count, Silicone Straw, Spill Proof Seal, Flip Top Cover, For Use With Boon Nursh Bottles, Top Rack Dishwasher Safe |
| Item Type Name | Silicone Straw Conversion Top |
| Item Weight | 0.12 kg |
| Manufacturer | TOMY Intl. |
| Manufacturer Part Number | B11498 |
| Material | Silicone |
| Material Type | Silicone |
| Model Number | B11498 |
| Number of Pieces | 2 |
| Product Style | Straw Sippy Cup Lid |
| Shape | Round |
| Style | Straw Sippy Cup Lid |
| UPC | 669028114986 |
| Unit Count | 1 Count |
D**A
Great if your baby is already using straws
Great if your baby is already drinking out of straws and you use boon nursh bottles already. My baby had a hard time sucking with these at first so I had to make the holes bigger but I purchased more when she got the hang of it and didn’t need to make the holes bigger
K**Y
Quality
Great easy transition for grandson i love this brand and recommend the product
A**S
These lids are a major fail
We love Boon. We have enjoyed all of their products until this one. Like some other reviews stated, it takes major force to get any water out of the straw. A grown adult has to suck with almost full force to get barely any water. We even tried to enlarge the valve and still could not get water out. Then as a last resort, we cut the valve out altogether and now it just leaks everywhere. We are honestly so disappointed in these lids.
J**E
Get the boon accessories you won’t regret it.
These work so well! They do not spill or leak. I have not had it fall from more that 3ft. Probably the most leakproof cut I’ve ever had. I like the fact that I don’t have to buy a whole cup set but instead have the option to buy just the lids. This is economical choice as well as an environmental one. I started with bottles then sippy cup and now this one with a straw. I also have flat lids for storing their snacks. So I feel less wistful and more money on my pocket with the boon system that growers with them. However they are a little tough to drink out of. I tried it because my baby was having difficulty but within a few minutes she was fine. Overall great fit use and easy to clean.
E**M
Almost Perfect
Love that I can continue to use our Boon bottles! They’re easy for our little one to hold or to hook something through the frame to securing it to a stroller or high chair. Anyway, the straw top addition is simple to take apart and clean. I like the stopper in the straw so it doesn’t constantly leak and when my girl was learning to drink from straws I would squeeze the bottle a bit to “fill” the top of the straw. Worked like a charm. The downside: the lid. Completely sucks. It just pops off all the the time, and if it doesn’t completely pop off then it gets stuck on the straw. We just take the lid off which is a bit of extra work when traveling, but overall worth it.
T**D
Pretty nice conversion kit!
While shopping at a store recently, I came across Dr. Brown's straw sippy cup, but they don't sell just the conversion kit. So I found these and ordered the two pack. These are great! As long as the lid is closed, it kinks the straw and prevents leakage. The lid doesn't stay on very well though. There are two plastic nubs that they are affixed to, and they come off easily for cleaning. The problem is that they come off too easily.
G**E
Not as expected
I was very excited to try these out however I, an adult, can barely get water up. The straw and pieces were all put together correctly and I struggled. It seemed like the straw was suctioning and the silicone bottle part was sucking in as I was drinking. The straw part is hard to take apart from the plastic cover making it hard to clean.
L**R
Good idea, poor execution
An okay option because we love boon bottles and wanted to transition from the nipple>silicone sippy lid> to the straw without getting rid of the cup parts. However, the straw tops can leak pretty badly and the flippy part is difficult to use. It doesn’t stay latched. The flip part pops off very easily and if that’s not there, and it’s tipped over, or if the temperature/pressure changes, it leaks a lot. It’s a great idea but doesn’t hold up in real life. Three stars because I love boon, the idea is good, it’s easy to clean, and it’s so nice to be able to transition tops with the same bottoms. I’m hoping boon will fix this before my second kid is a toddler!
M**X
Didn't work
No matter what we did we couldn't get the liquid to actually come through the straw so these ended up being useless for us!
A**C
Me encantan
Todos los peoductos de boon nursh tienen super buena calidad. Ajuste perfecto
B**S
Muy mala compra
Al bb tomar no sale el liquido, los habia comprado por que de biberon sd podria hacer la transicion con estos popotes pero no funcionaron mi bb llora cada vez q lo ve
L**M
Bastante difícil para niños pequeños
Es bastante duro para tomar, los niños pequeños no pueden hacerlo, además que no cuenta con orificio para dejara salir el aire/gas y esto lo hace aún más difícil.
A**S
No es funcional
Es imposible de usar, se necesita muchísima fuerza de succión incluso como adulto fue imposible!
Trustpilot
1 month ago
3 weeks ago