The U-PAC is a sturdy, black, Cordura ® nylon pack with reinforced seams, double-pull YKK ® nylon zippers, wide storm flap with hook and loop fastener, 3M ® reflective tape on back with multiple nylon mounting tabs on front, sides and back. Four sizes: Small - 10" high X 20" X 30" Small Long - 10" high X 22" X 30" Medium - 12" high 22" X 32" Medium Long - 12" high X 24" X 32" Additional Items Tool Pouches If you don't see it, ask! We can make it. We enjoy doing custom work.