Vortex Benchmark 16 17 18 19 20 Ft Travel Trailer Camper Cover, 105" Wide, 108" Tall, 3 LAYER TOP AND SIDES!!, Zippered Access Side Panels (FAST SHIPPING - 1 TO 4 BUSINESS DAY DELIVERY) Fully polypropylene fabric repels rain yet vents inside vapor out Easy On/Easy Off Cover designed to protect your investment from Mother Nature Superior water resistant yet breathable to prevent mildew inside of the fabric Full 800# support, 1-800-309-5190 (Real People, Real Answers) Full-Height zippered panels allow complete access to the door side and rear