for straw lid 12oz/18oz/32oz/40oz/64oz, and most water bottle topFood Grade Silicone: wide mouth lid is composed of silicone valves and silicone straw. The straw is tightly connected to the lid. You needn't worry about the straw making an unpleasant sound.More Fit Sealing Ring: One-handed flip the top, enjoy your favorite cold drink . You can hook the top by hand, or place it in a backpack or anywhere for jogging or outdoor travel. No need to worry about water leakage.Safe & Durable: All material is -free, does not affect the taste of your beverage. You can wash it in hot water and it 't deform easily.Material: PP+siliconecolour: blackPackage Contents:2 x Leakproof Straw Lids4 x Straws2 x Straw BrushesOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.