Sip slide and go.The Closeable Press-In Lid slides shut to tame splashes and trap temps then slides open wide enough for easy drinking and reusable straws.Fits 24 oz Travel Tumblers 24 oz Kids Travel Tumbler 10 oz Rocks 12 oz Mug 16 All Around™ Tumbler 20 oz All Around™ Tumbler 12 oz Outdoor Kitchen Tumbler 16 oz & 22 oz Tumblers (older style)Leak-resistant and splash-resistantSnug secure press-in fitSlides open for easy drinking and reusable strawsBPA-FreeDishwasher safe