Booq Mamba Sling (Brown) Messenger Case for 13-15" Laptops Fits: 13-15" Mac or PC; Laptop Compartment: 14.5"x10.5"x1.5" Exterior Dimensions: 18"x12.5"x5.5"; Weight: 3 lb (1.36 kg) Durable exterior fabric with water-repellant coating; Limited 5-year Warranty High-quality YKK exterior zippers; Side pockets for phone or music player This bag carries a unique ID number. Once registered, booqs Terralinq Service may help you find your lost bag.