---
product_id: 565432706
title: "10mm Straw Covers Cap Toppers for 30&40 Oz Tumbler Cups, Cute Straw Caps for TumblerCup, Silicone Cloud Drinking Straw Tips Lids Protectors for Stanley Cups Accessories"
brand: "mtroyaldia"
price: "¥982"
currency: JPY
in_stock: true
reviews_count: 8
category: "Mt Royaldia"
url: https://www.desertcart.jp/products/565432706-10mm-straw-covers-cap-toppers-for-30-and-40-oz
store_origin: JP
region: Japan
---

# 10mm universal straw fit dishwasher safe & reusable cute cloud silicone design 10mm Straw Covers Cap Toppers for 30&40 Oz Tumbler Cups, Cute Straw Caps for TumblerCup, Silicone Cloud Drinking Straw Tips Lids Protectors for Stanley Cups Accessories

**Brand:** mtroyaldia
**Price:** ¥982
**Availability:** ✅ In Stock

## Summary

> ☁️ Elevate your sip game with cloud-cute straw toppers!

## Quick Answers

- **What is this?** 10mm Straw Covers Cap Toppers for 30&40 Oz Tumbler Cups, Cute Straw Caps for TumblerCup, Silicone Cloud Drinking Straw Tips Lids Protectors for Stanley Cups Accessories by mtroyaldia
- **How much does it cost?** ¥982 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/565432706-10mm-straw-covers-cap-toppers-for-30-and-40-oz)

## Best For

- mtroyaldia enthusiasts

## Why This Product

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

## Key Features

- • **Durable & Safe:** Crafted from premium food-grade silicone—non-toxic, reusable, and built to withstand dishwasher cycles without losing charm.
- • **Gift-Ready Chic:** A stylish, practical accessory that’s the perfect thoughtful gift for friends who value both function and fun.
- • **Perfect 10mm Fit:** Seamlessly compatible with Stanley 30 & 40 oz tumblers and any 10mm straw for a snug, spill-proof seal.
- • **Adorably Functional:** Unique cloud-shaped silicone toppers add a playful, Instagram-worthy flair to your daily hydration ritual.
- • **Outdoor-Ready Protection:** Dustproof design keeps your straw clean and hygienic during hikes, commutes, or alfresco brunches.

## Overview

MTROYALDIA’s 10mm silicone straw covers are designed to fit Stanley 30 & 40 oz tumblers and any 10mm diameter straw. Made from food-grade, dishwasher-safe silicone, these reusable caps protect your straw from dust and debris while adding a whimsical cloud-shaped aesthetic. Ideal for outdoor use and gifting, they combine durability with playful style to upgrade your everyday hydration experience.

## Description

MTROYALDIA 10mm Straw Covers Cap Toppers for 30&40 Oz Tumbler Cups, Cute Straw Caps for TumblerCup, Silicone Cloud Drinking Straw Tips Lids Protectors for Stanley Cups Accessories : desertcart.in: Health & Personal Care

Review: Really cute and does the job! - The cutesttt addition to my tumbler! Go for it without a second doubt. However it fits a bit loosely on the House Of Quirk tumbler, but I use mine only at home, so I just need it to cover my straw tip and it does the job wonderfully!
Review: Good product - It is perfect fit for stanley and is beautiful but a bot overpriced, rest all is good

## Features

- 🥤【10mm Straw Cover】Our reusable straw covers are compatible with Stanley cup 40 oz 30 oz straws. And our Stanley straw caps are also suitable for all types of straws with an outer diameter of 10mm. Please confirm the size of your straw before purchase!
- 🥤【Unique Design】Creative cartoon shape, cute and very decorative. The perfect gift for friends and family. Please note that there are only silicone Stanley straw cover in your package, straws and cup are not included.
- 🥤【High Quality Material】Made of food grade silicone, these stanley straw covers cap are durable, safe and non-toxic, reusable, hand washable and dishwasher safe.
- 🥤【Perfect for Outdoor】Dustproof and has the protection function for stanley cup straw, especially suitable for outdoor activities.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CHJ4WNX4 |
| Best Sellers Rank | #24,027 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #568 in Glassware & Drinkware |
| Brand | MTRoyaldia |
| Colour | Multicolor |
| Country of Origin | China |
| Generic Name | -STRAW COVER |
| Importer | MTROYALDIA |
| Included Components | straw cover |
| Item Dimensions LxWxH | 28 x 20 x 25 Millimeters |
| Item Weight | 30 g |
| Item model number | MTR-STRAW COVER |
| Manufacturer | MTROYALDIA |
| Material | Silicone |
| Net Quantity | 1 Count |
| Number of Items | 3 |
| Packer | MTROYALDIA |
| Size | 10mm |
| Special Feature | Reusable |
| UPC | 774213560742 |

## Product Details

- **Brand:** MTRoyaldia
- **Colour:** Multicolor
- **Manufacturer:** MTROYALDIA
- **Material:** Silicone
- **Net Quantity:** 1 Count
- **Number of Items:** 3
- **Size:** 10mm
- **Special Feature:** Reusable
- **UPC:** 774213560742

## Images

![10mm Straw Covers Cap Toppers for 30&40 Oz Tumbler Cups, Cute Straw Caps for TumblerCup, Silicone Cloud Drinking Straw Tips Lids Protectors for Stanley Cups Accessories - Image 1](https://m.media-amazon.com/images/I/51CviZEfBvL.jpg)

## Available Options

This product comes in different **Number Of Items** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Really cute and does the job!
*by S***H on 14 August 2025*

The cutesttt addition to my tumbler! Go for it without a second doubt. However it fits a bit loosely on the House Of Quirk tumbler, but I use mine only at home, so I just need it to cover my straw tip and it does the job wonderfully!

### ⭐⭐⭐⭐ Good product
*by M***A on 2 September 2025*

It is perfect fit for stanley and is beautiful but a bot overpriced, rest all is good

### ⭐⭐⭐ Loose
*by P***R on 23 November 2025*

I Have 10 mm straw but it's too loose

## Frequently Bought Together

- MTROYALDIA 10mm Straw Covers Cap Toppers for 30&40 Oz Tumbler Cups, Cute Straw Caps for TumblerCup, Silicone Cloud Drinking Straw Tips Lids Protectors for Stanley Cups Accessories
- House of Quirk 1200ML Stainless Steel Tumbler Hot and Cold with Handle and Lid 2 Straw, Double Insulated Cup Leak Proof Mug Cupholder for Gym, Travelling (Oatmeal)

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**Shop now:** [https://www.desertcart.jp/products/565432706-10mm-straw-covers-cap-toppers-for-30-and-40-oz](https://www.desertcart.jp/products/565432706-10mm-straw-covers-cap-toppers-for-30-and-40-oz)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-14*