Laser sail bag is Tube style bag with a full length zipper with webbing zipper cover, handles and designed to fit 4” PVC tubing which allows the sailor to roll the sail around the tube in order to store the sail wrinkle free. The sail bag is made from Harbor Time Edge. 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. PVC not supplied. Made in the USA.