Features: 100% brand new and high quality DESIGN: The slider can open and close,Hole cover allows direct sipping or use with a straw. PREFECT DESIGN: We have improved the seal ring. Good air tightness design keeps your beverage warm and cold longer. Sliding cover design can fix it in any position completely solving the problem of the old lid touching the nose. SAFE MATERIAL:Made of top food grade crystal clear AS plastic which is BPA free,Eco-friendly, Sturdy and durable & dishwasher safe. SPILL-PROOF: The leak-proof lid is designed with a unique double-sealing technology, so you do n't have to worry about spills, Tumbler lids has a silicone gasket lining the edge to prevent splashing and major spillage while turning over the tumbler. An air hole on top of slider according airflow ergonomics which helps reducing splashing. When filling hot drinks or driving. Contoured sip hole allows for direct sipping or for use with a straw. Package Includes: 2 x Tumbler Lid Specifications: Material:Plastic Color:Transparent Size: Approx. 10 cm/3.93 inches (30oz) Size: Approx. 9 cm/3.54 inches(20oz) note: 1.Please allow 0-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3.Other parts are not included. Thanks for your understanding. DESIGN: The slider can open and close,Hole cover allows direct sipping or use with a straw. PREFECT DESIGN: We have improved the seal ring. Good air tightness design keeps your beverage warm and cold longer. Sliding cover design can fix it in any position completely solving the problem of the old lid touching the nose. SAFE MATERIAL:Made of top food grade crystal clear AS plastic which is BPA free,Eco-friendly, Sturdy and durable & dishwasher safe. SPILL-PROOF: The leak-proof lid is designed with a unique double-sealing technology, so you do n't have to worry about spills, Tumbler lids has a silicone gasket lining the edge to prevent splashing and major spillage while turning over the tumbler. An air hole on top of slider according airflow ergonomics which helps reducing splashing. When filling hot drinks or driving. Contoured sip hole allows for direct sipping or for use with a straw.