Compatibility-Only fit for 20 oz SKINNY TUMBLER with an inner diameter of 2.73-2.75 inches, fit for SUNWILL, koodee, and PYD Life 20 oz sublimation cup. Please carefully confirm your tumbler style and mouth size before ordering. Safe Material - Made of food grade clear crystal AS plastic, BPA, phthalate free. Easy to Clean - The slide part at the top can be disassembled for easy cleaning without any hidden dirt. It can also be placed in the top dishwasher for cleaning. UPGRADE - 50% more leak-proof than ordinary slide caps. The top is more securely fastened so you won't touch your nose while drinking. Friendly After-Sales - We provide a 100% satisfaction guarantee. If you are not satisfied with the replacement cover you ordered, please contact our after-sales team immediately and we will give you a satisfactory solution at the first time. skinny tumbler replacement lid fits for 2.73-2.75 inches in diameter skinny tumbler