Rothco Black Canvas Outfitter Rucksack Cotton Quality tested and ensured for maximum durability Designed with only the toughest, roughest users in mind Comfort and performance come hand in hand with rothco Black canvas rucksack for work, travel, or outdoor adventures Heavyweight cotton canvas construction for durability Large main compartment with drawstring top and storm flap 3 large exterior pockets with flaps and quick-release closures Adjustable padded shoulder straps; measures 18 x 18 x 12 inches (W x H x D)