Material: The shell and inner liner of the thermos cup are made of stainless steel and plastic, safe and durable. Insulation: The thermos can maintain the water temperature for up to 6-12 hours, and is used to carry hot water, cold drinks or other liquids. Sealing performance: The lid of the thermos cup is designed with good sealing performance to prevent liquid leakage and ensure that the liquid in the cup remains stable during carrying. Portable: Thermos cup is easy to hold small and portable, convenient for users to use in outdoor activities, travel or daily commute. Date First Available November 22, 2024