Feature:Double-walled glass vacuum insulation allows for maximum temperature retention; keeps your water hot or cold.Dual silicon rings, leak-proof lid, new insulated and air-tight structure, always locks in the correct place.Spill-proof Design - the outlet used penguin mouth shape design, prevent splash.Perfect used as a tea/coffee thermos dispenser, milk carafe, creamer carafe, juice, wine, hot water pitcher.Parameter:Material: Glass Liner + PP ShellStyle: Double Layer GlassCapacity: 1LWeight: 0.65kgThermal Performance: About 12-24 hours. According to the surrounding 23 ℃.6 hours - 68 ℃, 12 hours - 55 ℃, 24 hours - 35 ℃Pls Note:Please understand the thermal effect also depends on indoor temperature .Vacuum Insulated Water Bottle for Home, Office or Car,