Universal Fit for Popular 20 oz Tumblers: Works seamlessly with YETI, SUNWILL, BJPKPK, WETOWETO, CIVAGO, DOMICARE, and MEZMUT 20 oz tumblers. (Important: Not for use with YETI Rambler 20 oz Travel Mug, Coleman, BUILT, or 20 oz skinny glasses.) Sturdy & Safe AS Plastic Construction: Made from high-quality AS plastic, these lids are built to last and safe for everyday use with both hot coffee and cold sodas. Leak-Resistant with Straw-Ready Design: Comes with a built-in straw hole that fits standard 0.3-inch (8mm) straws plus a straw stopper to help prevent spills, making it a great choice for commutes, road trips, or outdoor activities. Disassembles into 4 Parts for Easy Washing: The lid breaks down into four separate pieces, so you can quickly rinse away leftover smoothie, juice, or iced coffee residue with no hidden spots. Stays Put During Sips: The snug fit and thoughtful design keep the lid securely in place while drinking, so you don’t have to worry about annoying wobbling or slipping. Our use tested 20oz tumbler lids are perfectly compatible with famous brands YETI Rambler, SUNWILL, WETOWETO, BJPKPK , Ozark Trail, Umite Chef, SassyCups, Society6 and Polar Camel. Also, they are compatible with YETI 10, 12, 24 OZ mugs, not Coleman and BUILT and 20 oz skinny tumbler.