Key FeaturesTemperature Control: Thick insulation helps keep your water hot or cold for longer periods.Easy Grip: A wave-like textured, rubberized outer surface gives you a secure hold during sports or daily use.Spill-Proof Design: Equipped with secure caps to prevent leaks and spills in bags or backpacks.Safe Materials: Made from food-grade, BPA-free, and DEHA-free plastics.