Explorer Arms Gear Tactical Backpack Shoulder Slip Multi-Functional Heavy Duty Sling Equipment Field Messenger Bag with Concealed Pistol Gun Holster Compartment. EXPLORER BAG Perfect for use as a day pack, bug-out bag, or travel carry-on EXPLORER BAG Foam padded back panel EXPLORER BAG Padded, adjustable backpack straps EXPLORER BAG Two roomy compartments Front zippered pocket Water resistant, durable 600 D nylon fabric; Dimensions: 17" W x 5" D x 12" H