Leak-proof water bottle with flip lid, BPA free, Food grade stainless steel An Oasis At Your Fingertips: Double walled vacuum insulated stainless steel design prevents external heat sources from raising the temperature of cold liquids, and also prevents heat from escaping hot liquids. Enjoy your refreshments at the temperatures you intended for hours. Liquids will remain cold for up to 24 hours, and hot for up to 12 hours. Don't Lose Your Grip: Beautiful powder coat finish allows for a durable slip-resistant grip that's perfect for the gym, work-site, our any outdoor adventure. Premium Lid Design: Innovative lid creates a perfect seal that prevents leaks and spills, and allows for easy drinking and pouring.