A stunning copper flask paired with leather from our favorite tanneries. This combination makes a statement. Each flask is made of food-grade18/8 stainless steel and is coated with copper. It will hold up to 6-ounces of your favorite libation. Hand-stitched with traditional sinew, The Clark Fork Flask is available in three full-grain types of leather Natural Brown Chromexcel (brown), English Tan Dublin (red-brown), Black Chromexcel (black), and Blue.