The Body Of This Coffee Cup Is Made Of High-Quality 304 Stainless Steel, Which Is Environmentally Friendly And Has No Peculiar Smell. The Lid Is Made Of Ps, Which Has Good Sealing Performance. Brush, Reusable, Environmentally Friendly And Healthy. The Cup Has A Certain Thermal Insulation Effect, Which Can Keep Warm And Cold For Several Hours. Suitable For Cafes, Offices, Cars, Sports, Home, Etc. Easy To Carry When Going Out.