Leader Accessories Easy Setup Class A Motorhome Cover Fits RV W Assist Steel Pole (28'-30') 3 layer polypropylene top fabric keeps out rain and snow while single layer polypropylene side fabric venting inside vapor out Multiple zippered panels for easy access to the front, back & sides Air vents reduce wind stress and vent inside moisture out New methods of installing RV cover save your time 2 years warranty. Fits 28'-30' RV, Size: 369"L*106"W*120"H.