The inside and outside of the cup body are made of SUS304 imported stainless steel, with a double layer stainless steel structure and tailless vacuum brazing technology, which ensures high efficiency and long insulation time; Sanding the inner liner without chemical residue; The cup body adopts baking paint and electrostatic spray treatment, with fashionable and novel colors, non sticky handwriting, and a more comfortable and convenient feel. The inside of the cup cover is made of stainless steel mirror technology, and the cup cover cock is made of food grade PC material, ensuring safety and hygiene.