Classic Accessories OverDrive PolyPRO 3 Deluxe Pop-Up Camper Trailer Cover, Fits 18' - 20' Trailers - Max Weather Protection with 3-Ply Poly Fabric Roof RV Cover (80-043-193106-00) POP-UP CAMPER COVER: Fits 18' - 20' long trailers 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 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