1. [Transparent Cup Cover Set] - we will provide you with 1 pieces of replacement lids for tumblers, with an inner diameter of about 3.15 inches, and the lid suitable for the 20 oz cup, please confirm the size carefully when purchasing; The details of the product size are in the second attached picture, suitable for 20 oz Yeti Lids Replacem , enough to easily meet your daily use or replacement needs.NOTE：NOT SUITABLE FOR 20 OZ SKINNY TUMBLER LID CUP REPLACEMENT. 2. [Safe Material] - Our tumble lid is made of quality plastic, with high transparency and no BPA or other unhealthy materials, lightweight but strong enough to be applied safely in your cup, dishwasher safe. 3. [Splash Proof Lid] - The leak-proof lid is designed with double-sealing technology, so you don’t have to worry about spills, especially when filling hot drinks or driving.Good air tightness design keeps your beverage warm and cold longer.However, this cup lid cannot be guaranteed to be 100% leak-proof. Please check the precautions described below before purchasing.(Please note that the hole cover most can accommodate straws diameter about 0.8 mm ) 4. [Easy to Use] - this replacement tumbler lid is designed with a sliding button, easy to slide and can be closed or opened with one hand, practical and easy to carry, which can be applied in many life scenes and is an ideal life assistant 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.