The Zak Hydro Canteen 16 oz Bottle - Minnie Mouse with ChillPak Cold Hold Technology Keeps Drinks Cool for Hours...So Your Last Sip is as Tasty as Your First! The Zak Hydro Canteen 16 oz Bottle - Minnie Mouse features: * Patent pending leak-proof Liquid Lock lid prevents spills * Twist lid to open and close * ChillPak keeps drink cool * 100% reusable * BPA-free product; food safe * Tumbler is dishwasher safe * Freeze removable non-toxic ChillPak overnight * Do not put ChillPak in microwave or dishwasher * Wash before first use