adidas Banner Backpack 100% Polyester Imported Lifetime Warranty - built to last. Size is 12.25L" x 12.50W" x 20H" Durable material built to stand up to wear and tear and a padded hydro shield water-resistant base The zippered computer pocket is PU coated to be water resistant and the padded laptop sleeve can hold a 15.4"" screen Loading shoulder straps ease the weight and a padded tricot back panel for total comfort 4 outside zippered pockets and great internal pockets help you keep everything organized