Come and see our amazing products. Made from stainless steel,the bottle cap is stainless steel, this flask's exterior walls has a nice cool touch. It's your handy way of taking alcohol and enjoying your drink anywhere you want. Your logo and design can be put on it for customization or promotional purposes. 4 2/5''x3 7/10'' Pls confirm with us about the packing info, stock color and exact production time before placing your order.