Observ Slim Laptop Backpack - Minimalist, Lightweight, and Protects Laptops 13", 14" and up to 15.6 Inches LIGHTWEIGHT and STRONG: High density polyester exterior with reinforced stitching ensures this Slim and Sleek Backpack can withstand years of use. ALL-AROUND PADDING: Specially designed to protect laptops 13", 14", and up to 15.6 inches in screen size. Minimalist design includes main and front pocket, laptop compartment, and small interior pockets. AIR-FLOW COOLING: Features breathable rear mesh to help transport heat off your back and shoulders. STYLE: Tech Business School Professional College Thin Light Weight Bag Shock Proof Computer Briefcase Shockproof Carry On Travel. For all Apple Macbook Pro and Air, Ultrabooks, Notebook PCs, Laptop Computers, Netbooks - 10, 11, 11.6, 12, 13, 13.3, 14, 14.7, 15, 15.4, and most 15.6 inches. MATERIALS: Polyester and Nylon. Dimensions: 17 x 12.5 x 4" and only 1.3 lbs. Laptop Compartment: fits 15" wide (max dimension) laptop by 1" tall. Please measure your laptop. Includes a 1 year Limited Warranty.