Triple layer SFS AquaShed top panel beads water contact. Two-tone designer polypropylene sides insure maximum breathability while virtually eliminating mold and mildew. Maximum resistance to high humidity and rainfall. Protection against harmful UV rays that can cause unwanted cracking and fading. Front and rear buckle cinching system removes slack and prevents billowing and loss to the wind. Bottom mounted Weighted Tie Down Assist allows you to easily get straps and buckles to the opposing side of your RV, making installation easy. Passenger-side zipper entry panels allow easy access during storage, regardless of door position. Water resistant yet breathable. Reinforced front corners resist snags & tears. Ladder cap reduces wear over ladder area. Storage bag included. Moderate Climates + Short Term Storage.