Triple layer SFS AquaShed top panel & triple layer two-tone polypropylene sides; Beads water on contact; Maximum resistance to high humidity & rainfall; Protection against harmful UV rays; Front & rear buckle cinching system; Removes slack; Bottom mounted strap/buckle system; Prevent loss to the wind; Triple layer polypropylene side panels; Insures maximum breathability; Virtually eliminates mold & mildew; Zipper entry panels; Easy access during storage; Weighted tie down assist for easy installation underneath the coach; Water resistant yet breathable; Reinforced front corners resist snags & tears; Moderate climates + short term storage.