Adjustable front and rear tension panels provide a custom fit. Repels rain and snow, yet vents inside water vapor out. Prevents mold, mildew and ice buildup. Cover Type: 5th Wheel, Material Type: Polypropylene, Top Layer (qty.): 3, Side Layer (qty.): 1, Zippered Access: Yes, Elastic Corners: Yes, Air Vents: Yes, Storage Bag Included: Yes, Tie-Downs Included: Yes, Fits Length (ft.): 33 - 37 Includes rear ladder cap