This is a great storage accessory for trucks, jeeps and contractors. it can be moved from the driver’s side to the passenger’s side in less than 1 minute. You can swap it from one vehicle to another very easily. They're made of tough 500 denier nylon with a pvc backing they’re sold as a 7 piece set which includes a large carrying pack, a medium waist pack, a medium sized utility tool holder, a small belt pack, a compass holder, a mini flashlight holder and the base rack.