100% brand new and high quality Applicability: Straw lid is suitable for Hydroflask bottle standard mouth (12/18/21/24 oz), for Klean Kanteen water bottle and Simple Modern Ascent bottle(12/16/20/24/32 oz) .Safe Materials: The water bottle straw lids are made of food-grade PP+AS material. No Leaking: Sure sealed gasket 100% spill-proof. The straw lid is specially designed for one-handed drinking. Suitable for any indoor and outdoor activity. Easy to Drink and Carry: Push the mouthpiece back and close the lid tightly, comfortable to drink from and it doesn't get as dirty. Wider finger loop is comfortable to carry. Multi-occasions: Use The straw lids is perfect for outdoor sportsmen, hikers, hunters, athletes, campers and other outdoor sports. You can enjoy your beverages where you go. Package Included: 1 x Straw Lid