the Surface of the Outer Wall of the Baking Paint Follows the Primer Layer of the Paint Layer. the Surface of the Stainless Steel Cup Body is Smooth and Bright. the Vacuum Insulation Layer Effectively Prevents the Loss of Insulation. the Inner Liner of the Electrolytic Polishing Layer is Smooth and Free of Impurities. the Liner is Preferably Made of No Harmful Substances., Manufacturer: ANSNOW