Drinkware has become a part of our everyday style. The 12oz. Copa Copper Vacumm Insulated Bottle is right up there with style and funcationality. The Copa is double wall stainless steel with vacuum insulation. Its inner wall is plated with copper for ultimate conductivity to keep your favorite drinks hot for 8 hours and cold for 48 hours. Its screw-on lid has a built-in silicone strap for you to carry your bottle or attach it to a bag.