--- product_id: 778612999 title: "BTYHAOS Straw Covers, Dust Proof Straw Toppers Fit Stanley 30 40oz Tumbler | Reusable Food-Grade Silicone Straw Covers Cap for Most 10mm Straw" brand: "btyhaos" price: "¥1631" currency: JPY in_stock: true category: "Btyhaos" url: https://www.desertcart.jp/products/778612999-btyhaos-straw-covers-dust-proof-straw-toppers-fit-stanley-30 store_origin: JP region: Japan --- # Precision fit for 10mm Stanley straws Reusable & dishwasher safe BPA-free food-grade silicone BTYHAOS Straw Covers, Dust Proof Straw Toppers Fit Stanley 30 40oz Tumbler | Reusable Food-Grade Silicone Straw Covers Cap for Most 10mm Straw **Brand:** btyhaos **Price:** ¥1631 **Availability:** ✅ In Stock ## Summary > 🛡️ Sip Clean, Sip Chic – Protect Your Straw, Protect Your Style! ## Quick Answers - **What is this?** BTYHAOS Straw Covers, Dust Proof Straw Toppers Fit Stanley 30 40oz Tumbler | Reusable Food-Grade Silicone Straw Covers Cap for Most 10mm Straw by btyhaos - **How much does it cost?** ¥1631 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/778612999-btyhaos-straw-covers-dust-proof-straw-toppers-fit-stanley-30) ## Best For - btyhaos enthusiasts ## Why This Product - Trusted btyhaos brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Never Lose Your Cap:** Innovative attached ring design keeps the topper connected and ready on the go. - • **Stylish & Functional:** Cherry blossom-inspired design adds a trendy touch to your tumbler, perfect for work or weekend vibes. - • **Durable & Safe Material:** Crafted from BPA-free, odorless, heat-resistant silicone for daily worry-free use. - • **Ultimate Hygiene Shield:** Keeps dust, pet hair, and airborne particles out for every fresh sip. - • **Tailored Fit for Stanley Tumblers:** Engineered to snugly fit 30oz & 40oz Stanley straws, no slipping or gaps. ## Overview BTYHAOS Straw Covers are premium, reusable silicone toppers designed to fit 10mm straws, especially Stanley 30oz and 40oz tumblers. Made from BPA-free, food-grade silicone, they provide a hygienic barrier against dust and contaminants while being dishwasher safe and durable. Their secure flip-top with an attached ring ensures convenience and style for everyday use, making them a must-have accessory for health-conscious, on-the-go professionals. ## Description desertcart.com: BTYHAOS Straw Covers, Dust Proof Straw Toppers Fit Stanley 30 40oz Tumbler | Reusable Food-Grade Silicone Straw Covers Cap for Most 10mm Straw : Home & Kitchen ## Features - Food-Grade Material & BPA Free Straw Toppers : Our straw toppers are crafted from high-quality, food-grade silicone, these straw toppers are BPA-free, odorless, and non-toxic. They are safe for daily use by all of you. The durable material is flexible and heat-resistant, ensuring long-lasting performance without deformation - Hygienic & Dust-Proof Protection Reusable Drinking Straws caps : Keep your drinks clean and safe. Our straw caps effectively seal your straw to prevent dust, pet hair, and airborne particles from entering. Whether you are at the gym, office, or outdoors, these lids provide a hygienic barrier to ensure every sip is fresh - Perfect Compatibility for Stanley Straw Cover : Precision-engineered to fit perfectly with Stanley 40 oz and 30 oz Tumbler straws. These 10mm (0.4 inch) diameter straw covers offer a snug fit, ensuring they stay securely attached. Also compatible with other large straws of the same size, making them the ultimate accessory for your favorite cup - Dishwasher Safe & Easy to Clean : Lightweight and compact, these straw protectors are easy to carry anywhere. The attached ring design ensures the cap stays connected to the straw when open, so you’ll never lose it. Perfect for walking, camping, hiking, or commuting to work - Cute Design and Practical Value Matching Set for Stanley Cup Straw Dispensers : These straw toppers are not only stylish, but also practical. Our straw cover cap Come with set cherry blossom silicone straw cover . Good for party decor,indoor or outdoor use ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0FMXVL6SH | | Best Sellers Rank | #440 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #5 in Reusable Drinking Straws | | Brand Name | BTYHAOS | | Closure Type | Flip Top | | Color | BlackPW | | Customer Reviews | 4.8 4.8 out of 5 stars (2,468) | | Included Components | Letter | | Item Weight | 0.03 kg | | Manufacturer | BTYHAOS | | Manufacturer Part Number | xgm | | Material Type | Silicone | | Model Number | xgm | | Number of Packs | 1 | | Number of Pieces | 1 | | Product Style | new style | | Shape | Rectangular | | Unit Count | 1 Count | ## Product Details - **Brand:** BTYHAOS - **Color:** BlackPW - **Item Weight:** 0.03 kg - **Material:** Silicone - **Style:** new style ## Images ![BTYHAOS Straw Covers, Dust Proof Straw Toppers Fit Stanley 30 40oz Tumbler | Reusable Food-Grade Silicone Straw Covers Cap for Most 10mm Straw - Image 1](https://m.media-amazon.com/images/I/612ozcV+ttL.jpg) ![BTYHAOS Straw Covers, Dust Proof Straw Toppers Fit Stanley 30 40oz Tumbler | Reusable Food-Grade Silicone Straw Covers Cap for Most 10mm Straw - Image 2](https://m.media-amazon.com/images/I/81u0BUbH--L.jpg) ![BTYHAOS Straw Covers, Dust Proof Straw Toppers Fit Stanley 30 40oz Tumbler | Reusable Food-Grade Silicone Straw Covers Cap for Most 10mm Straw - Image 3](https://m.media-amazon.com/images/I/71iZrncIn1L.jpg) ![BTYHAOS Straw Covers, Dust Proof Straw Toppers Fit Stanley 30 40oz Tumbler | Reusable Food-Grade Silicone Straw Covers Cap for Most 10mm Straw - Image 4](https://m.media-amazon.com/images/I/71CEg87FcSL.jpg) ![BTYHAOS Straw Covers, Dust Proof Straw Toppers Fit Stanley 30 40oz Tumbler | Reusable Food-Grade Silicone Straw Covers Cap for Most 10mm Straw - Image 5](https://m.media-amazon.com/images/I/71Z9wSEuhBL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Is this made of food-grade silicone and BPA-free?** A: Yes! The BTYHAOS Silicone Straw Caps are BPA-free,made of food-grade silicone **Q: Does this straw cover fit the Stanley 40 oz or 30 oz tumbler?** A: Yes! The BTYHAOS Silicone Straw Caps are designed to fit all 10mm straws, which includes Stanley 30oz and 40oz tumblers **Q: Will it work with Yeti or Simple Modern straws?** A: Yes! The BTYHAOS Silicone Straw Caps are designed for all of the 10mm straws **Q: Is it dishwasher safe?** A: Yes,The BTYHAOS Silicone Straw Caps are super easy to clean! You can wash them by hand or simply toss them in the dishwasher **Q: Does it effectively prevent dust and keep the straw hygienic?** A: Yes,it is --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/778612999-btyhaos-straw-covers-dust-proof-straw-toppers-fit-stanley-30](https://www.desertcart.jp/products/778612999-btyhaos-straw-covers-dust-proof-straw-toppers-fit-stanley-30) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-08-14*