304 stainless steel liner, food grade ABS plastic cover, food grade silicone and food grade filter make it safer and healthier. All materials in contact with water are food grade ensure your healthy life. Product Description 1.500ML Smart LED temperature display 304 Stainless steel vacuum flask with eco friendly design. 2.Keeps drinks at right temperature for longer hours (4-6Hours). 3.double layer stainless steel and high tech vacuum heat insulation layer in the middle. 4.Convenient portable and easy to use. 5.Food grade PP plastic cap. 6.Comfortable cup design. 7.Anti-friction design. Size : 23cm (H) x 6.5cm (Diameter). Package Include: 1 x Smart LED temperature display Thermal Flask