Thermos Sipp 16-Ounce Drink Bottle, Black Thermos vacuum insulation technology for maximum temperature retention, hot or cold; keeps liquids hot for 12 hours and cold for 24 hours Smooth glow design helps control the flow of warm liquids; keeps liquids hot for 12 hours and cold liquids for 24 hours Hygienic push button lid with one-handed operation is made with bpa-free eastman tritan copolyester to resist stains and provide durability Durable stainless steel interior and exterior Dishwasher safe; capacity 16oz/480ml