1. Compatibility - Fits 20oz tumblers, 10oz lowball cups and 20oz Yeti Rambler cups, does not fit 30oz tumblers 2. Superior Design - Custom designed, easy to use, retractable drinking hole cover prevents spills and helps keep your drinks hotter longer 3. Safe and Convenient - Made of clear, BPA-free plastic, features a wide-mouth drinking hole for drinking straight from the bottle or using with a straw 4. Straw-Friendly - Large opening allows for straw insertion 5. Clear - Professional factory replacement lids are just like the original lids, but are splash-proof, shatter-proof, and airtight vacuum seals to stop 99% of leaks Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.