The Sipp by the Thermos line of products embodies sleek, stylish and functional design. The Thermos 16 oz. Sipp Vacuum Insulated Stainless Steel Water Bottle is constructed with durable double wall stainless steel and Thermos vacuum insulation technology to keep beverages hot for up to 12 hours or cold for up to 24 hours. The hygienic push button lid is easy to operate and has a locking ring to keep the lid secure during transport. A smooth flow lid design controls the flow of warm liquids for maximum beverage enjoyment on the go. Thermos vacuum insulation technology for maximum temperature retentionKeeps contents hot for up to 12 hours or cold for up to 24 hoursDurable stainless steel interior and exteriorExterior stays cool to the touch with hot beverages and sweat-proof with coldSmooth flow lid helps control the flow of warm liquidsHygienic lid with one-hand push button operationFits most automobile cup holdersFlip-up carry loop on rear of lid16-ounce capacity