Piko Backpack by Just Porter | 100% Lifetime Guarantee | Organized Laptop Daypack 1000D Nylon 100% Nylon Ripstop lining Material: Ultra-Premium Cordura with Lightweight design Shoulder straps designed to reduce fatigue while carrying books High Volume Backpack with dependable YKK zippers that don't catch Internal organizer with front vertical pocket to make your life easier Padded Laptop Pocket with easy exterior access - Fits 15 inch Macbook Pro