Business Potential Aluminum Development. Entrance Quilt Continues to be Flush With Rolling Quilt. Low Profile Layout. Opens And Closes Simply With The Push Of A Button. Sealed Ball Bearing Curler Layout. No Pull Straps; Velcro; Snaps or Springs. Key Lockable In Any Place; Secures Your Useful Shipment. Limitless Hauling Flexibility. UV Secure; No Fading. No Repairs. Nice For fifth Wheel Hauling; Improves Mileage Via Up To 10 P.c. Restricted Lifetime Guaranty.