Jack Daniel's Black Leather Wrapped Stainless Steel Flask JACK DANIEL'S STAINLESS STEEL LEATHER COVER FLASK 4OZ Oil tanned leather with a hot stamped Jack Daniel's Swing logo & Old No. 7 Brand Cartouche logo. Stitched borders. Captive top. Official Licensed Product. Volume: 4 oz . Dimensions: 3-1/4 in. Exclusive Product. Stylish black gift box; officially licensed product