[Exact Compatibility] Exclusively engineered for YETI Rambler 20 oz Travel Mugs with Stronghold threaded design. Not compatible with non-threaded tumblers，Verify your mug type before ordering to ensure a perfect fit
[Safety & Durability] Made from food-grade Tritan plastic — BPA-free, 3x more impact-resistant than standard plastics. Crystal clear clarity that won't yellow over time. Drop-tested for durability
[Straw-Friendly ]Compatible with 6–8 mm (0.23–0.31 inch) straws. Drink directly from the spout or use your favorite straw. Small hanging hole also included for added convenience
[Leak-Proof Seal] Dual-slider screw-in design creates a tight airtight seal. Withstands bumps, drops, and sharp turns without spills — perfect for jogging, commuting, outdoor adventures
[Easy to Clean] Simply rotate the back slider 90° to detach the lid and sealing ring. No hard-to-reach crevices. Top-rack dishwasher safe. Hassle-free replacement backed by Prurex
