Packaging: You will receive four 7-ounce stainless steel flasks Material: black high-grade PU leather. The flask is made of high-quality stainless steel, non-toxic, anti-corrosion and rust proof. These flasks are lightweight and very easy to keep clean and fresh. Put your favorite drinks, such as vodka, brandy, whisky and tableware neatly in your stainless steel flask, and then take them anywhere. This bottle is easy to grasp and can be easily hidden in your jeans pocket, suit jacket, bag, wallet, fishing box or hunting jacket. Suitable for all outdoor activities, such as fishing, camping, hunting, hiking, wedding parties, travel. 100% leak proof: each whisky flask is equipped with a thick stainless steel cover, pressurized by air, laser welding, and the quality is controllable. The bottle cap is 100% sealed, and the flask is air pressure tested to avoid leakage and waste of your favorite drink.