Vortex Marine Grade Canvas 16 17 18 Ft Pop Up / Folding Camper All Weather Camper Cover, 87" Wide, 42" Tall (FAST SHIPPING - 1 TO 4 BUSINESS DAY DELIVERY) 600 denier marine grade cover repels rain and vents inside vapor out... Designed to protect your investment from Harsh UV rays and keep interior cool. Superior water resistant yet breathable to prevent any mildew inside of the fabric. Customer Support: 1-800-309-5190 (8:30 am - 4:30 pm) Monday - Friday All weather protection from the elements...