Classic Accessories OverDrive PolyPRO 3 Deluxe 5th Wheel Cover or Toy Hauler Cover, Fits 37' - 41' RVs - Max Weather Protection with 3-Ply Poly Fabric Roof RV Cover (75763) 5TH WHEEL COVER: Fits 5th wheels & toy haulers up to 37' - 41' long, 122" high from ground to roof RV ACCESSORIES: Adjustable front and rear tension panels and elasticized hem corners provide a custom fit, integrated air vent system combined with quick drying PolyPRO 1 sides reduce wind stress and vent inside moisture, rear full height zipper to allow for toy hauler access RV STORAGE COVER: Triple-ply PolyPRO 3 keeps out rain and snow. Thick, triple-ply top and single-ply sides protect against rain, snow, dirt, nicks and scratches for all-season protection, integrated rope attachment system and a provided toss bag helps reduce crawling under the RV RV COVER WITH ACCESS PANELS: Zippered panels allow access to the RV doors and engine areas CAMPER COVER WITH WARRANTY: Stuff sacks are included on all covers and ladder caps are included on most, includes 3-year warranty