Material: polyester 600D

Size: 17.5"x13"x6.5"

Construction: large main compartment with two side zipper closure.Audio pocket with headphone port. orgnized front zipper pocket include pen pocket ,key ring and cellphone pocket. S-shaped padded shoulder straps with thumb-ring pulls. Comfortable padded back panel. Side mesh pockets for water bottles or last minute stuff.

Various materials,colors, sizes and printing logo may be custom-made.