JanSport Classic Big Student Backpack, Black/White Different Sizes Ergonomic S-curve shoulder straps with Two large main compartments for versatile storage Front utility pocket with audio electronics organizer keeps essentials handy Two zippered front stash pockets with fully padded back panel for cushioning comfort Web haul loop Capacity:2101.7 cu in / 34.44L,Dimensions: 17.5in h x 13in w x 10in d,Weight:1 lb 8 oz / 0.68 kg,Fabric:600 Denier Polyester