Stay versatile and ready for anything with the sporty JanSport® Thunderclap backpack! Durable polyester backpack. Two main zip compartments for your daily essentials. Versatile sleeve designed toe fit a 3 L hydration system or a 15 in laptop (12 in x 12 in x 1.5 in). Bottom cord storage pocket. Front zippered stash pocket. Deluxe organizer with padded phone holder. Side water bottle pocket. Ergonomic S-curve shoulder straps. Web haul handle. Custom carabineer key clip. Genuine leather JanSport label and trims. Materials: 305 polyester dobby, 600D denier polyester. Volume: 1710 in³ (28 L) Imported. Measurements: Bottom Width: 12 in. Middle Width: 13 in. Top Width: 10 in. Depth: 6 in. Height: 18 in. Strap Length: 32 in. Strap Drop: 15 in. Handle Length: 7 in. Handle Drop: 3 in. Weight: 1 lb.