1.Fabric type Canvas 2.Origin 3.Closure type Buckle 4.Lining Polyester 5.Country of Origin China 6.This messenger bag is made of thick durable canvas, PU leather for long-term use.which it is heavy duty.It can protect your laptop and books entirely. 7.Perfect Dimensions: 15.8 x 5.1 x 14.2 inches; Fits up to 15.6 inches laptop.Special design laptop compartment with Telescopic belt provides more protection for your laptop. 8.Multi-compartments: Large capacity with various pockets that fits all of your stuffs you need. 1 zipper pocket on the flap,1 large zipper pocket with 4 card slots, 3 pen sleeves and 1 open pocket,2 side pockets for umbrella,1 back zipper pocket with leather clasp.Internal access to 1 main zipper compartment, 1 padded laptop compartment fits 15.6 inch laptop and 1 zipper pocket keep things organized. 9.Wide and thick shoulder strap which provide extra comfort for your shoulder that adjusts from 32' to 58' to be worn as a Shoulder Bag messenger bag or Crossbody bag for men and women.