Compatible With-the straw lid fit for Hydro Flask 12oz, 18oz, 20 oz, 32oz, 40oz and 64oz wide mouth bottle. Compatible with most branded wide mouth sport water bottle, including Hydro Flask, FIFTY/FIFTY, SimpleModern, Takeya, Nalgene, Klean Kanteen, MIRA, etc. .Safe Material-Made of high quality BPA-FREE materials which are very safe for kids. Perfect for consuming hot and cold beverages on the go, coffee, tea and other drinks you like. .No Leaking-The inner rubber gasket ring keep your bottle sealed.Prevent it from leaking.The straw lid is specially designed for one-handed drinking. Perfect for any outdoor activity. .Multiple-occasions Use-The straw lids is perfect for hiking, camping, riding, running, yoga sessions and other indoor and outdoor activities.You can enjoy your beverages where you go. .Package content and Warranty-It comes with 2 straw lids, 2 straws,2 straw brush, 1 rubber gasket ring. Bottles are not included. .