Abstract: A generally triangular bag has a front edge provided with a separable fastener so that it can be enclosed around a compacted jib, around the jib hanks securing the luff to the jibstay, and around the lower portion of the jibstay. This bag is formed of a pair of triangular side panels having rear edges joined together at a backwardly convex seam, bottom edges joined by an eliptical bottom panel, and front edges each carrying a respective half of the separable fastener. At the upper and lower ends of the front edge the bag has holes permitting the jibstay to pass through the bag parallel to this front edge.