【Compatibility】Suitable for a 3.2" inner diameter 20 oz tumbler, Like Yeti rambler, Atlin, Juro, SUNWELL, Umite Chef, WETOWETO, SassCups, Society6, Polar Camel. Compatible with YETI 10, 12, 24 OZ mugs and . Please Note specially it is not fit Coleman, BUILT, and the 20 OZ skinny tumblers 【Professional design】 Improved stopper ring, good airtight design keeps your drinks warm and cold longer,The flip part of the lid can be fixed in any position, completely solving the problem that it may touch your nose .unique double seal leak-proof technology designed ,you don't need to worry about spills, especially when filling hot drinks or driving 【Straw Friendly】 three ways to drink: slurp, sip, gulp,the center hole of the lid is designed for straws, suitable for straws with 6-8MM straws, (Remove the silicone stopper can be used for 10MM straws, suitable for smoothies, milkshakes) 【Easy to clean】Top food grade crystal clear AS plastic, BPA free, can be divided into four parts for easy and thorough cleaning of beverage residue, dishwasher safe 【Thoughtful service】Anyway, the key point is the inner diameter of the cup! The inner diameter of the 20 - ounce lid is 3.2 inches /8.1 cm. If you're unsure if it matches, or if you have any issues after receiving the lid, please feel free to contact Prurex to ensure a pleasant experience Replacement Lid for 20OZ Tumbler 3.2" Mouth Diameter Mugs