The Bison Bottle Flask is crafted from premium full-grain American bison leather and comes with four toasting cups for sharing good times. This sturdy stainless steel bottle features a convenient twist-top for easy pouring, while a secure snapping lid keeps the cups safely in place. A metal funnel is included for hassle-free filling (booze not included). Wash the interior with warm, soapy water before your first use for best results.