--- product_id: 594499664 title: "0.4-inch Straw Cover Cap for Hydro flask Tumblers" brand: "jetstop" price: "¥2837" currency: JPY in_stock: true category: "Jetstop" url: https://www.desertcart.jp/products/594499664-0-4-inch-straw-cover-cap-for-hydro-flask-tumblers store_origin: JP region: Japan --- # Fits 0.35–0.4 inch straws snugly Dishwasher safe & reusable Food-grade, odorless silicone 0.4-inch Straw Cover Cap for Hydro flask Tumblers **Brand:** jetstop **Price:** ¥2837 **Availability:** ✅ In Stock ## Summary > ✨ Keep your sip spotless & stylish with Jetstop! 🥤 ## Quick Answers - **What is this?** 0.4-inch Straw Cover Cap for Hydro flask Tumblers by jetstop - **How much does it cost?** ¥2837 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/594499664-0-4-inch-straw-cover-cap-for-hydro-flask-tumblers) ## Best For - jetstop enthusiasts ## Why This Product - Trusted jetstop brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Perfect Hydro Flask Fit:** Tailored for 20-40oz Hydro Flask press-in straw lids, ensuring a secure, spill-resistant seal. - • **Premium Food-Grade Silicone:** Odorless, flexible, and durable material that stays soft without cracking or deforming over time. - • **Ultimate Dust & Dirt Defense:** Blocks dust, dirt, and tiny insects, keeping your straw hygienic whether at the gym, office, or outdoors. - • **Vibrant Personalization Pack:** Includes 8 colorful silicone caps to match your style and mood—small accessory, big personality upgrade. - • **Effortless Cleaning & Longevity:** Dishwasher-safe design means these toppers stay fresh and ready for daily use without wear or residue. ## Overview Jetstop 0.4-inch Straw Cover Caps are specially crafted silicone toppers designed to fit Hydro Flask press-in straw lids (0.35–0.4 inch diameter). Made from food-grade, odorless silicone, these dustproof, dishwasher-safe caps protect your straw from dirt and insects while adding a vibrant, personalized touch. The pack includes 8 durable, flexible toppers in assorted colors, perfect for active professionals seeking hygienic convenience and style on the go. ## Description desertcart.com : Jetstop 0.4-inch Straw Cover Cap for Hydro flask Tumblers (8 pcs) | Fit 20-40oz HydroFlask press-in straw lid, 10mm/0.4" Thick silicone toppers, Dustproof seal, Food-grade, Dishwasher safe : Sports & Outdoors ## Features - Compatibility: Specially designed for Hydro Flask Press-In Straw Tumbler Lid. Fits snugly on 0.35–0.4 inch (9–10mm) straws to help block dust and keep your drink cleaner - Safe & Soft Silicone: Made from food-grade silicone. Odorless, flexible, and durable—safe for all ages without cracking or deformation over time - Dust Protection On the Go: Our straw stoppers can effectively blocks dust, dirt, and small insects from entering, ensuring a clean drinking experience with the straw, whether in the gym, office, or camping site - Effortless Maintenance: Dishwasher-safe reusable stoppers remove easily for cleaning. Washes like new for long-term use with no residue or wear - Colorful & Personalized: Features 8 fun dust proof 10mm silicone toppers in vibrant colors to match your tumbler style—ideal for home, office, outdoor use, or as small thoughtful gifts ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CPB8NG5R | | Best Sellers Rank | #54,506 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1,080 in Water Bottle Accessories | | Brand | Jetstop | | Brand Name | Jetstop | | Closure Type | Flip Top | | Color | 8 pcs - Blue/Pink/Brown/White | | Customer Reviews | 4.7 out of 5 stars 214 Reviews | | Included Components | 8 Straw Cover | | Item Dimensions L x W | 0.39"L x 0.4"W | | Item Highlight | Fit 20-40oz HydroFlask press-in straw lid, 10mm/0.4" Thick silicone toppers, Dustproof seal, Food-grade, Dishwasher safe | | Item Weight | 0.09 kg | | Manufacturer | Jetstop | | Manufacturer Part Number | Jetstop | | Material | Silicone | | Material Type | Silicone | | Model Number | RR-ON4Q-MZQY | | Number of Packs | 8 | | Number of Pieces | 8 | | Product Dimensions | 0.39"L x 0.4"W | | Product Style | M | | Shape | sh | | Style | M | | Unit Count | 8 Count | ## Product Details - **Brand:** Jetstop - **Color:** 8 pcs - Blue/Pink/Brown/White - **Material:** Silicone - **Product Dimensions:** 0.39"L x 0.4"W - **Style:** M ## Images ![0.4-inch Straw Cover Cap for Hydro flask Tumblers - Image 1](https://m.media-amazon.com/images/I/618FEU26ahL.jpg) ## Available Options This product comes in different **Color** options. --- ## 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/594499664-0-4-inch-straw-cover-cap-for-hydro-flask-tumblers](https://www.desertcart.jp/products/594499664-0-4-inch-straw-cover-cap-for-hydro-flask-tumblers) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-31*