Vortex Marine Grade Canvas Top 29 30 31 32 33 5th Fifth Wheel All Weather Camper Cover, 102" Wide, 120" Tall, Marine Canvas Top, Triple Layer Sides, Zippered Access Side Panels (FAST SHIPPING - 1 TO 4 BUSINESS DAYS) 600 denier marine grade canvas top with 3 layer polypropylene fabric sides repel rain and vent inside vapors 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 Full-Height zippered panels allow complete access to your RV regardless of door location.