Keep your favorite beverage just the way you want it with our Closeable Press-In Lid. Slide it closed to tame splashes while on-the-go and hold temperatures just where you want them - piping hot or icy cold. The removable slider makes cleaning a breeze and the Press-In fit keeps your lid snugly in place. Features: Keep your lid snugly in place for confidence on-the-goDishwasher safe with a removable slider makes cleaning a breezeSlides open wide enough for reusable straws and big sipsMedium fits16 oz Tumbler and 12 oz MugPlease Note: The Closeable Press-In Lid is not leak proof or spill proof.