Come and see our amazing products. Seamless ceramic interior to prevent the unwanted metal taste found in other mugs.Silver ion infused powdercoat to keep your mug clean.Food grade 18/8 stainless steel construction.High quality ultra seal lid for a no-drip sipping experience.Double-wall vacuum insulation keep drink hot/cold for hours. Pls confirm with us about the packing info, stock color and exact production time before placing your order.