HAZARD 4 VentraPack(TM) 2-in-1 Chest Pack/Slim Shoulder Sling Messenger Bag by (R) Perimeter zipper releases fold-down 'shelf' surface w/ its adjustable webbing retainers to vary opening angle Folding 'shelf' features clear document/map window & serves as stiffened work area for writing, repairs, etc. Quilted micro-suede interior; Multiple d-rings for easy webbing pulling & as lash points Hide-away pockets on lower rear to store buckles when bag is used in its shoulder messenger configuration EXTERNAL SIZE: ~12.2" L x 10.4" W x 1.2" D (31 x 26.5 x 3 cm); MAIN MATERIAL: Dobby Nylon (black) or DuPont(R) 1000D Cordura(R) (coyote) perimeter zipper releases fold-down &#039;shelf&#039; surface folding &#039;shelf&#039; features clear document/map window &amp; serves as stiffened work area for writing, repairs, etc. quilted micro-suede interior padded area fits up to 10&#034; tablets multiple d-rings for easy webbing pulling &amp; as lash points hide-away pockets on lower rear to store buckles when bag is used in its shoulder messenger configuration