[High Compatibility] Perfect for Hydro Flask straw lid standard mouth 18 oz, 21 oz, 24 oz and many other brands such as Simple Modern, Ascent 12 oz, 17 oz, 20 oz, 24 oz, 32 oz, 64 oz, Klean Kanteen Classic 12 oz, 18 oz, 27 oz, 40 oz, 64 oz, Rehydrate Pro 17 oz, 25 oz, WaterVault Water Bottles 24 oz, The Coldest Water standard mouth 21 oz. [Durable & Safe] Made of high-quality material. All materials are BPA-free. Flexible handle improves grip comfort, making the straw lid a perfect standard mouth sports water bottle lid for Hydro Flask standard mouth lid replacement accessories. [Leakproof & Silent] Additional sealing ring ensures no leaks, allowing you to place your Hydro Flask water bottle in a backpack or anywhere during jogging or outdoor travel. The suction straw lid is tightly connected to your water bottle, eliminating unpleasant drinking sounds. On a hot summer day, one-handed flip open the lid to enjoy a cool drink. Flexible handle makes it easy to hang your water bottle anywhere for convenience during activities. Material: PP + Silicone Color: Black Package Contents: 1 x Water Cup Lid, 2 x Straw, 1 x Cleaning Brush Only the above package content is included; other products are not included. Note: Lighting and display differences may cause slight color variation between the image and the actual item. Measurement may vary by +/- 1-3 cm.