18" Deluxe Laptop Backpack * Product Material: High Density 1680 Denier Polyester * Product Weight: 2.40 lbs. * Laptop Compartment Dimensions: 13" x 9.75" x 1.75" * Air flow system for back protection * S-shape padded shoulder straps * Front accessory zipper pocket * Separate laptop compartment * Organizer in front pocket * Self-repairing excel zippers * Side compression straps * 2 side zippered pockets