Steaming hot for 12-18 hours: With advanced vacuum sealing and double-walled vacuum insulation, our flask keeps drinks steaming hot for 12 to 18 hours – much longer than most other bottles. Large Capacity Insulated Drinking Cup Lid: Our flask comes with an insulated drinking cup that features a vacuum-insulated inner layer to keep drinks warm, and an outer insulation layer that protects your hands from heat. It also features an easy to hold handle. Keeps Drinks Hot and cold for 24 Hours: With copper-coated, double-walled vacuum insulation, your drinks will stay at their desired temperature for longer. In the Box: You get 1 unit of  vacuum insulated flask and a premium quality cleaning brush Hassle-Free Warranty: Enjoy peace of mind with a 1-year warranty. 100% Leakproof: The  hot and cold water bottle is rust-free, and has double silicone seals making it 100% leakproof, and a perfect companion for the gym, office, school, college, or home. Premium features: Powder coating for improved grip and long-lasting colors, silicone base to prevent damage, wide mouth for easy cleaning and adding ice or fruit, and BPA-free food-grade materials for safety.