The Coldest Water Insulated Cap, Patent Pending, was initially built for Professional Athletes in high performing sports. We believe in taking cold water on the go wherever you are, whether your biking, cycling, running, jogging or going to the beach. This cap allows you drink effortlessly with one hand. Simply flip the top, and drink water from it.It is BPA Free, and easy to clean. Rubber Flip Top Bacteria Resistant: The flip top has a unique tab that allows you to push it without your fingers touching the mouth piece. Multi-compatibility Technology: We believe in multi-compatibility, so we've extensively tested this with The Coldest Water Bottle, as well as other Stainless Steel Bottle Brands. Verified Compatibility with: The Coldest Water Bottle HydroFlaskStandard Mouth Bottles Klean KanteenClassic Mouth Bottles Rehydrate ProStandard Bottles WaterVault Water Bottle 24 oz Only* Bottles Possible compatibility: Stainless Steel Bottles with 1.75 inches inner screw mouth diameter. Incompatible / Does not work with: Hydroflask Wide-mouth Bottles Hydroflask Narrow-mouth bottles Widemouth Bottles Narrow-mouth bottles WaterVault K2/Soda Bottles Klean Kanteen Soda Bottles 100% Happiness Guaranteed! We offer 100% ROCK-SOLID Happiness Guarantee. If you have any issues, get in touch with us and we'll always make it right. Warning Use extreme caution when using with hot liquids. Depending on altitude, pressure, temperature and other factors may affect bottle and performance.
