Multi-use backpack from Outdoor Products School, day hiking, travel! Color: solid black with gray details/zipper loop/grip. OS Approximate Dimensions: 17.75 x 12 x 4.75 inches (it expands to accommodate +- 10 inches in depth) Two main compartments with internal organizer perfect for holding small camping accessories, keys, and wallet. Hydration reservoir compatible (reservoir not included) Roomy main compartment to carry all you need with padded mesh shoulder straps to help distribute the weight. Front zipper pocket and two side mesh pockets. Dimensions: 17.75 x 12 x 4.75 inches condition: pre-owned, small snag in the front. ** last image is a stock photo for your reference **