Lencca Quadra 4-in-1 Backpack + Messenger + Briefcase + Tote Bag for up to 15.6 inch Laptops or Tablets - Royal/Black 4-in-1 functionality. Can be used as a backpack, messenger, briefcase, and tote. High quality eco-friendly and water resistant leather. Chrome clips and hooks for the straps. Backpack strap can be stored away when not in use. Dual handles for use in either briefcase or tote form. Dual front pockets for storage. Cushioned mesh pockets on the interior. Laptop compartment with two security straps. Fits 14-15.6-inch laptops. Approximate Laptop Compartment Dimensions: 15.25 in. x 11.5 in. x 3.75 in. Approximate External Dimensions: 16in (h) x 11.8in (w) x 5.3in (d)