Product descriptionSpecification:Material: PP + TPRUse: 12 oz / 18 oz / 32 oz 40 oz / 64 oz all-purpose airless bottlePackage Include 1 x wide neck straw lid1. COMPATIBLE SIZE --- This straw cap fits perfectly on standard Flask mouthwash bottles with a 1.8 "mouth diameter. 12, 16, 18, 21 amp; 24 ounce water bottles.2. 100% leak-proof amp; bpa-free water bottle cap --- The sports cap is leak-proof when the nozzle is in the closed position. It will not leak, even if you do exercises that require a lot of movement, such as jogging, running, etc. Ideal for athletes, joggers, hikers, etc.3. FOOD STONE --- Made of food-safe PP and BPA-free, non-toxic silicone material, both for babies and for pregnant women, dishwasher safe.4. EASY TO USE --- This water bottle straw lid with bite valve design can be operated with one hand, ideal for athletes, outdoor people, hikers, campers.5. EASY TO WEAR --- The surface looks rubberized. The robust, rounded finger loop / clip design allows it to be carried comfortably during use.6. Chic and stress-free design --- Fold up the top and drink with just one hand. It is not necessary to unscrew the straw cap lid. Thanks to the hassle-free design, you can enjoy your favorite drink while driving or running.