The messenger bag is made of 100%cotton canvas, the bag feature: One main compartment with zip closure; Front zip pocket under flap; Adjustable webbing shoulder strap; Full flapover style with 2 velcro closures; Feature vertical zip pocket on outside of front flap; Inside zip pocket and phone pocket; Outside back zip pocket; Material: 100% cotton canvas, waterproof linning; Size: 28 x 25 x 9cm.