100% polyester 1680d. Padded business backpack with rear side closure, padded main compartment with 3 zipper compartments, padded separator in the main compartment with flat inside compartment, three padded inside compartments, front zipper compartment with flat inside compartment, front pocket with concealed,padded back with concealed zipper compartment under the padding, rear-side attachment loop for trolley frame, length-adjustable padded shoulder straps with height and width-adjustable chest strap, padded handle. Size 33 x 46 x 12 cm. Decoration area (silkscreen): on front pocket 12 x 22 cm.