Double-walled vacuum insulation keeps drinks hot for up to 24 hours. Durable stainless steel construction. FreeSip lid with built-in straw for easy drinking. Wide-mouth design for easy drinking; one-touch flip-open and lock lid for easy carrying. Leak-proof design prevents spills and messy hands. Specifications: Type: Water bottle Capacity: 32 fl oz (approx. 950 ml) Material: Stainless steel Package contents: 1 * Vacuum insulated mug