Perfect Compatibility: Fits most 30 oz tumblers and 40 oz Reduce; works with Yeti, D·S, Bjpkpk, Wetoweto, Albor, Toopify, Mezmut; not compatible with Coleman, Built or 30 oz skinny tumblers Splash & Leak Resistant: Silicone o-ring creates a tight seal to prevent spills and leaks; thickened lid design locks in temperature to keep drinks cold or hot longer throughout the day Premium Food-grade Material: Made of high-quality food-safe As material; 100% Bpa-free for safe daily use with all beverages Easy To Clean: Detachable construction allows thorough washing; quickly removes residue for hygienic reuse Practical Daily Design: Snug fit and durable build for travel, office, outdoor and daily use; reliable replacement lid for your favorite tumblers Spill Proof Splash Resistant Tumbler Replacement Lids 30oz 1 pack