Come and see our amazing products. Copper Coating for Added Temperature Extention - The travel tumbler keep your drinks hot for up to 6 hours and cold for up to 20 hours with its advanced insulation technology and interior copper coating (triple wall).High-Quality Material & Durable Design - The coffee tumbler is made from food-grade 18/8 stainless steel, ensuring it's both durable and safe for your health.Powder Coating finishing exterior encrease the grip and privides comfortable touch while it is scratch resist.Leak-Proof & Mess-Free - The screw on slide open clear lid is leak-proof and easy to use, so you don't have to worry about any spills or leaks. The inclusion of stainless steel straw and silicone tips ensure a safer drinking experience. Pls confirm with us about the packing info, stock color and exact production time before placing your order.