Come and see our amazing products. This 21OZ-Stainless Steel Water Bottles interior consists of 316 stainless steel, material stability and better insulation performance, effectively prevent a variety of limescale tea scale breeding, the lid can be used as a small mug, very convenient, spiral cup mouth, non-slip cup bottom, sealed lid, built-in tea drain, tea and water separation, Fen sister type structure, cleaning without dead ends. Pls confirm with us about the packing info, stock color and exact production time before placing your order.