Come and see our amazing products. Classic 16 oz Vacuum Insulated Stainless Steel Tumbler. are made of 201 stainless steel and 304 stainless steel respectively with a powder-coated matte finish. The interior is copper-lined and has double-wall insulation. Perfect for on the go and fits perfectly in a car cup holder. Keeps your beverages hot for 6 hours and cold for 12 hours. Condensation-free surface. Complies with FDA, Prop 65. Support customizing your logo and product size. Pls confirm with us about the packing info, stock color and exact production time before placing your order.