The Vevor RV cover is designed to fit 38'-40' Class A travel trailers and provide year-round protection. Its multi-layer non-woven fabric construction helps defend against rain, snow, sun, wind, dust, bird droppings, and scratches. Elastic hems, buckle straps, and ventilation ports help create a secure fit in changing weather. Zippered access panels allow convenient entry to the RV without removing the cover. The set also includes useful accessories for storage, repair, and tire protection.