Vortex Deluxe 16 17 18 ft Pop Up / Folding Camper Cover, 87" wide, 42" tall(FAST SHIPPING - 1 TO 4 BUSINESS DAY DELIVERY) Fully 3 layer polypropylene fabric repels rain and vents inside vapor out. Designed to protect your investment from Harsh UV ray and keep interior cool. Superior water resistant yet breathable to prevent any mildew inside of the fabric. Easy installation,easy removal Full 800# support, 1-800-309-5190 (Real People, Real Answers)