[Features] Vacuum insulation; Wide mouth for easy ice filling; One-touch pouring; Specifications: Actual capacity: 0.4 gal (1.4 L); Material type: Exterior: Stainless steel; Interior: Stainless steel (18% chromium); Resin part (lid): ABS resin; polypropylene; Gasket: silicone; Heat preservation effectiveness (approximate): Starting: 10 hours: 14 °F (60 °C); Cold retention 6 hours: 9 degrees Celsius Heat retention effect is that the product is placed in the bottom edge of the lid at a room temperature of 68°F (20°C±2°C), and when the water temperature is 29.4°F (95°C±1°C), the product has been placed in a vertical position, and the lid is attached for 10 hours. Cold retention effect is the temperature of the hot water if left for 6 hours after placing the lid with cold water at a room temperature of 6 degrees F (20 degrees C ± 2 degrees C), where the water temperature is 4 degrees F ± 1 degrees C after placing the lid on the product in a vertical position. Please note that the data may not be passed through depending on the usage conditions. Precautions for Use: Do not pour beverages while keeping hands and face close to the touch. The internal pressure may cause water droplets to stick to the beverage or lid to pop. (especially when pouring boiling water, please be careful as it may cause burns.) When you finish pouring, be sure to shake the water droplets remaining inside the lid. (If the water droplets are left on the lid, it may come out later. Please make sure to do it. Please do not place this product within reach of infants. This may cause burns. Please place beverages smaller than the bottom edge of the lid. If you put it too much, the push button will harden and the drink will overflow when the lid is closed and may cause burns.