FREEZABLE WATER BOTTLE keeps drinks much colder, much longer! Just fill this insulated travel bottle with water and place in the freezer. Special gel beads in bottle’s wall absorb and retain the cold while keeping heat out. Includes twist on/off cap with built-in silicone straw that folds flat when not in use. Unbreakable plastic; contains no BPAs. Stands 11" H. Holds 19 fl. oz.