The tent cover is perfect for everyday storage of your 420. Tent cover is designed to go over the boat’s boom when the mast is stepped. It has a wraparound mast collar and 3 heavy-duty cut outs that are outlined with polypropylene webbing with Velcro that wraps around the stays and trapeze wires. Heavy-duty eight-inch shock cord skirt and four quick-release buckles ensure a snug fit. Use your halyards to tent the cover with the two grommet tabs. This cover is made from Harbor Time Edge fabric. Harbor Time Edge is 11oz coated polyester fabric provides excellent UV protection. Superior heat reduction rating and 7 year fabric warranty makes this fabric industry favorite. Made in the USA.