adidas Pace Backpack 100% Polyester Imported Lifetime Warranty - built to last. Size is 14L" x 12.75W" x 19H" 4 outside zippered pockets, internal zippered organization pocket, and 15.4"" computer pocket so you're School ready Hydro shield water-resistant base XL size built with a durable material that's built to stand up to wear and tear Loads spring shoulder straps to ease the weight and padded Air mesh back panel for total comfort