T-Rex water bottle with realistic roar! RoarBottle is BPA-free and made of US-made Tritan copolymer (CPSIA compliant). Push in RoarBottle's teeth to open his jaw and hear the ROAR. Sound module is removable for safe washing in the dishwasher. 18 oz (550ml) water bottle includes hash marks for both ounces and milliliters. Wire bail and silicone stopper prevent leaks and control-flow spout prevents messes when drinking. RoarBottle's cap also fits on most leading plastic water bottles!