Goplus Deluxe Vented RV Motorhome Camper Travel Trailer Covers UV Resistance (Fits 37'-40' RVs) Material: 4 layer non-woven fabrics Product size: 40' x 110" x 114"(LXWXH) Applicable Motorhome Size : 37'-40' Length Product weight: 46 lbs Package include: 1 x Motorhome Cover, 1 x Instruction