Add flavor and freshness to your water: you can add tea, fruit, ice, and all your creativity to your beverages. Hot or Cold: it allows you to enjoy drinks at different temperatures. Perfect fit: It is inserted through the bottom opening of your Closca Bottle and, thanks to its silicone gaskets, guarantees a worry-free, leak-proof experience. Enjoy your Closca Bottle with your favorite drink! *Not compatible with Closca Bottle Wave.