FastCover 24 wide portable buildings single truss structures are the best value for all your portable storage requirements. Whether you are storing your camper, 5th wheel, boat, ATV, motorcycle or vehicle, you will be completely satisfied with the size, durability and light transfer in these FastCovers. It’s unique design allows for a massive 14′ h x 12′ w fabric roll up door c/w ball bungees to keep it securely closed. Powdercoat painted commercial grade 3″ steel for both the structure and the portable baserail, along with UV inhibited, high density polyethylene woven 12 oz. fabric and hi-tension kits, ensure years of maintenance free service from your portable building.