---
product_id: 299104890
title: "Nursh Straw Cup Conversion Tops for Bottles | 2 Count, Silicone Straw, Spill Proof Seal, Flip Top Cover, For Use With Boon Nursh Bottles, Top Rack Dishwasher Safe"
brand: "boon"
price: "¥3332"
currency: JPY
in_stock: true
category: "Boon"
url: https://www.desertcart.jp/products/299104890-nursh-straw-cup-conversion-tops-for-bottles-2-count-silicone
store_origin: JP
region: Japan
---

# spill-proof valved seal 100% silicone straw top rack dishwasher safe Nursh Straw Cup Conversion Tops for Bottles | 2 Count, Silicone Straw, Spill Proof Seal, Flip Top Cover, For Use With Boon Nursh Bottles, Top Rack Dishwasher Safe

**Brand:** boon
**Price:** ¥3332
**Availability:** ✅ In Stock

## Summary

> 🥤 Elevate your toddler’s sip game with spill-proof silicone style!

## Quick Answers

- **What is this?** Nursh Straw Cup Conversion Tops for Bottles | 2 Count, Silicone Straw, Spill Proof Seal, Flip Top Cover, For Use With Boon Nursh Bottles, Top Rack Dishwasher Safe by boon
- **How much does it cost?** ¥3332 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/299104890-nursh-straw-cup-conversion-tops-for-bottles-2-count-silicone)

## Best For

- boon enthusiasts

## Why This Product

- Trusted boon brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Flip & Go Hygiene:** Rotating flip-top cover keeps the straw clean and protected between sips.
- • **No-Mess, No Stress:** Innovative valved straw creates a spill-proof seal—say goodbye to leaks on the go.
- • **Clean & Ready in a Snap:** Top rack dishwasher safe design means effortless cleaning for busy parents.
- • **Seamless Toddler Transition:** Transforms your Boon Nursh bottle into a toddler-friendly straw cup—smart parenting hack!
- • **Silicone Sipping Perfection:** 100% beverage-safe silicone straw ensures pure, safe sipping every time.

## Overview

The Boon Nursh Straw Cup Conversion Tops are silicone straw lids designed to convert 8 oz Boon Nursh baby bottles into spill-proof toddler sippy cups. Featuring a 100% beverage-safe silicone straw, a valved spill-proof seal, and a rotating flip-top cover, these lids keep drinks secure and straws clean. Dishwasher safe and easy to use, they provide a hygienic, convenient transition from bottle to straw cup for toddlers.

## Description

TAKE YOUR NURSH TO THE NEXT LEVEL. When your baby’s ready to graduate to a toddler straw cup, these convenient silicone straw conversion tops are all you need. Designed to fit perfectly on your 8 ounce Nursh baby bottles, the silicone straw in these lids turns your existing baby bottle into a kids' straw sippy cup. The unique design of the silicone straw combines with your baby bottle’s existing silicone pouch for drinks. This straw is made of 100% silicone, perfect for transitioning from a bottle to a cup, giving your little one the familiarity they need while educating them on drinking from a straw. The rotating cover and valved straw included in this conversion top keeps the drinks inside the cup and off of your kid. This product is perfect for toddlers who are ready to transition from baby bottles or older children using our feeding supplies. What’s that? You only have 4 ounce Nursh bottles? Go ahead, carefully cut the straw down to size, we love a good parenting hack!

## Features

- Silicone Sipping: The Nursh conversion top with a silicone straw combines with your NURSH bottle’s silicone pouch for drinks that only touch 100% beverage-safe silicone
- Spill Proof Cups: These straw cup lids changes your baby bottle into a no spill sippy cup with a valved straw that creates a spill proof seal to keep drinks in the cup
- Flip Top Straw Cup: These Nursh straw cup lids feature a rotating cover that helps keep the straw clean when not in use while keeping their beverages safe from spills while on the go
- Easy to Clean: Rest easy knowing that these sippy cup lids are top rack dishwasher safe just like the Boon Nursh silicone shell, ensuring their favorite sippy cups are always ready for a new day
- Toddler Cups: These sippy cup lids are for use with Boon Nursh bottles to create a transitional cup for your little one when transitioning from baby bottles to toddler sippy cups with straws

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08ZH9H35L |
| Best Sellers Rank | #3,733 in Baby ( See Top 100 in Baby ) #107 in Toddler Cups |
| Brand Name | Boon |
| Closure Type | Flip Top |
| Color | Clear |
| Customer Reviews | 4.0 4.0 out of 5 stars (2,345) |
| Included Components | 2 Silicone Straw Conversion Tops |
| Item Type Name | Silicone Straw Conversion Top |
| Item Weight | 0.12 kg |
| Manufacturer | TOMY Intl. |
| Manufacturer Part Number | B11498 |
| Material Type | Silicone |
| Model Number | B11498 |
| Number of Pieces | 2 |
| Product Style | Straw Sippy Cup Lid |
| Shape | Round |
| UPC | 669028114986 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Boon
- **Color:** Clear
- **Item Weight:** 0.12 kg
- **Material:** Silicone
- **Style:** Straw Sippy Cup Lid

## Images

![Nursh Straw Cup Conversion Tops for Bottles | 2 Count, Silicone Straw, Spill Proof Seal, Flip Top Cover, For Use With Boon Nursh Bottles, Top Rack Dishwasher Safe - Image 1](https://m.media-amazon.com/images/I/61GlBOnUy2L.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: I have the 4 oz bottles, can i just cut the straws to fit or is there another shorter straw conversion set?**
A: They don’t make straws for the 4oz bottles since the smaller size is generally used for younger infants. The straws have bite valves at the top so are more suitable for 9months + of age for which a child is usually using a larger bottle.

To answer your question - technically you could cut the straw.

**Q: Can this fit mason jars ?**
A: No, the threads are different.

**Q: Is this a direct match for the grey boon nursh?**
A: the straw top fits all of the silicon pouch bottles (4 and 8 ounce or all colors). Our daughter loves them and it makes the bottles usable for a lot longer.

**Q: Am I wrong Description states 2 pack but was only one in package**
A: It should be two

## Frequently Bought Together

- Boon Nursh Silicone Straw Sippy Cup Lid - Conversion Top for Bottles - Toddler Cup Top - Changes Baby Bottles into Cups - 2 Count
- Boon Nursh Reusable Silicone Pouch Baby Bottles - Medium Flow Nipple - Silicone Baby Bottle Pouch and Nipple - Baby Feeding Essentials - Color Block - 3-6 Months - 3 Count - 8 Ounce
- Boon Nursh Silicone Baby Bottle Nipples - Bottle Nipples for Boon Nursh Baby Bottles - Baby Bottle-Feeding Supplies - Fast Flow Baby Bottle Nipples - 3 Count

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-01*