Hamilton Beach Screw Top Sports Water Bottle is a vacuum insulated, double walled constructed bottle that keeps your drinks cold for 24 hours and hot for 12 hours. It is perfect for the home, office, gym, school or beach and makes a great gift for anyone on the go. It features a secure, leak-proof, screw-top lid that prevents accidental spills and messes. Its stylish exterior stays dry and resists condensation. It comfortably fits most cupholders, gym bags and backpacks.