Vine Branch Men's Genuine Leather Convertible Sling/Shoulder Bag/Backpack Genuine Leather Adjustable strap can be changed to be used as: Backpack, Shoulder Bag, Sling Bag or a Hobo 14 1/2" x 9 1/2" x 8" Main Pocket opens from the top with a 14" wide Zipper for easy access Made of Cow Hide Leather