Please note approximate measurements for the pack you select: (check listing title): Small packs measure approximately 11" x 9" x 6" Medium packs measure approximately 14" x 12" x 6" Large packs measure approximately 18" x 14" x 8" EXTERIOR • Ergonomic mesh with extra back padding • Adjustable shoulder straps for custom sizing • Heavy duty zippers with metal hardware • Top loop for carrying and hanging INTERIOR • Separate laptop/tablet compartment protects electronics • Fits up to 15” laptop or tablet • Two internal zipper organizer pockets for easy access to smaller items • Lots of room in a compact size FABRIC • Faux leather • Water-resistant • Easy to clean