Classic Accessories PolyPro III Deluxe Travel Trailer Cover Kit includes ladder cap for fast and easy fitting. It is designed to provide maximum weather protection against rain, snow, UV, nicks, scratches and dirt. This trailer cover features an integrated air vent system reducing wind stress and inside moisture. It can access the travel trailer’s entrance, side and rear through the zippered panels. This trailer cover adds an attractive and protected storage area to travel trailer.