Heavy Duty Sling | Cross Body Messenger Bag | Ballistic Cordura Water Resistant Sling Backpack with Laptop compartment in Main Compartment Fit most 15" laptop. Lockable Main compartment with dual Oversized zipper. Large heavy duty sling laptop backpack Cross-Shoulder Bag. Dimension: 19"x13"x6". Sling Laptop Backpack in Heavy duty Ballistic and Cordura water resistant material. Sling Laptop Backpack in Heavy duty Ballistic and Cordura water resistant material. Sling Backpack with Padded and adjustable shoulder strap with quick release buckle and cell phone pocket. Sling Backpack with Multiple front pockets and side pockets for storage.