This gray colored cover is breathable, resists high moisture climates, snow and dust, offers all weather protection. It is made of 3 layer fabric top and polypropylene side. It fits up to 22 foot 7 inch to 26 foot length travel trailers & measures 315 inch length x 104 inch width x 60 inch height. It includes storage bag, straps and buckles, front & rear cinching.