g4free tactical edc sling bag backpack with pistol holster military shoulder backpack for concealed carry(black) g4free g4free tactical edc sling bag pack with holster military shoulder range backpack for concealed carry with 6 pcs free gifts accessories -- 1 usa flag patches, 1 d-ring spring lock buckle, 2 d-ring tactical carabiners, 2 tactical 360 rotation d-ring clips. military backpack is made of 900d high density oxford fabric--durable and water-resistant. adjustable shoulder sling strap and removable waist strap. adjustable quick release buckle strap bottom and front load compression system-y strap .