Material:600D high density polyester and H2O resistant backing 1680D polyester for reinforced base panels Dimension: (13 x 20.9 x 7.9)” 17” laptop compartment with soft tricot lining Two-way function: as a messenger or as a backpack Board straps A capacious branded CAT backpack is a convenient and practical accessory for every day. Made of polyester 600 den. On the front side there is a vertical zip pocket. Two compartments, each closed with a zipper with two sliders. Inside, there is a section for the laptop with a 17 "extension, external straps for increasing / decreasing the volume, one short handle and two shoulder straps of adjustable length. Brand CAT SKU CA310SP0EUVH8NAFAMZ-242393 Model Bryan