Our Polypropylene Camper Trailer Cover is an all weather protector. Made of rugged polypropylene material is water repellent yet breathes to reduce mold and mildew it also resists UV. There is a back zippered panel for easy access to camper door and a full cut to allow room for ladders, air conditioners, etc. The back panel can be held open by snaps and the elasticized back and front hems offer a fast and snug fit. Storage bag and tie-down rope included as well as a two year warranty.