4 Pcs 0.4in Straw Cover for Stanley Cup, Silicone Straw Topper Set for 30&40oz Stanley Tumbler, Fit for 10mm/0.4in Straws (Butterfly)

4-Piece Butterfly Straw Cover Set: Set includes 4 Butterfly Straw Cover (Straw Topper), designed to add a clean, minimalist touch to your drinkware. Perfect for personalizing your cups while keeping them hygienic. Perfect Fit for Standard Straws: These Straw Cover accessories fit 9-10mm (0.35-0.4inch) large straws, compatible with 30 oz/40 oz Stanley cup (including popular models ). They stay securely in place without slipping. Food-Grade Silicone Material: Crafted from BPA-free, odorless silicone, these Straw Topper pieces are safe for daily use—non-toxic and gentle for both adults and kids. Easy to attach and remove, they’re reusable and durable. Dust & Splash Protection: The tight-fitting design of these Straw Cover accessories prevents dust, debris, or spills from entering the straw, keeping your drinks clean and sanitary. Ideal for indoor use or outdoor activities like picnics. Practical & Stylish Gift: With a butterfly color finish, these Straw Topper pieces are not only functional but also a chic accessory for any cup. They make a thoughtful gift for friends or family who love organizing their drinkware