Explorer Arms Gear Tactical Shoulder Slip Multi-Functional Heavy Duty Sling Equipment Field Messenger Bag with Concealed Pistol Gun Holster Compartment. Explorer Gun Carrier Messenger Bag For Men Or Woman Has A Conceal Padded Gun Or Notebook Pockets Holds Laptop, Tablet, Accessories, Files and More. 600 Denier Shell, Fully Adjustable Shoulder Strap For Comfortable Carrying. Concealed Back Pocket With Zipper Closure Allows You Quick Access To Your Firearm In An Emergency. Exterior Dimensions:17 inches x 12 inches x 8 inches. Strap measurements: 30 inches to 53 inches Compartments: one (1) main compartment, three (3) pockets, one (1) hidden pocket.