Features:Double-wall vacuum insulation keeps your beverages cold for up to 24 hours - Stainless steel construction offers long-lasting durabilityFreeSip lid includes a built-in straw for easy drinking - The wide mouth opening lets you take bigger swigs and easily Fit s ice cubes - The lid flips open with a button and locks shut for easy transportation - Leak-proof Design helps avoid any unwanted messes and spills - Hinged loop flips up for easy carrying and tucks away when not in use - Base Fit s most cup holders - BPA and phthalate free - Hand wash cup, dishwasher-safe lid; not for use with hot liquids - Capacity: 32 oz.