- COMPATIBILITY: Designed to fit 20 oz. tumblers, 10 oz. lowballs, and 20 oz. Yeti Ramblers. Note: Does not fit 30 oz. tumblers. - EXCEPTIONAL DESIGN: Features a retractable sip hole cover that effectively prevents spills and enhances insulation for longer-lasting drinks. - SAFE & CONVENIENT: Crafted from crystal clear, BPA-free plastic. The wide-mouth sip hole allows for easy sipping directly or with a straw. - STRAW FRIENDLY: Generously sized opening accommodates all standard straws for hassle-free drinking. - CLEAR VISIBILITY: Pro factory replacement lids offer durability similar to the original, with splash resistance and shatterproof qualities. An airtight vacuum seal minimizes leaks, keeping your beverages secure. Use Scenarios: - Perfect for outdoor activities like camping or beach days where spills can be a concern. - Ideal for daily commutes; maintain your drink's temperature and enjoy easy access. - Great for picnics or gatherings, ensuring everyone can sip easily without accidental spills. Upgrade your beverage experience with a lid that combines safety, convenience, and performance, specifically tailored for your favorite tumblers and lowballs.