brand new and high qualityFunctions:The material is high quality 304 stainless steel, environmental and healthy.The cup body is small and light and can be carried in a backpack.Specification:Material: PP, silicone, 304 Austenitic Stainless SteelProduct color: RED purple pink light blueThermal Performance: 58 C or more (12 hours)Cooling Performance: below 12 C (12 hours)Capacity: 500mlSize:6.5x6.5x22.5 for cm / 0.2132545935 x 0.2132545935 x 0.7381889775 inch Package Included:1 pcs * stainless steel thermocup (other accessories demo in the picture is not included.)Notes:Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you did.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you