Optimist club training sail made of strong 3.8 oz. high quality 100% dacron sailcloth. 6 panels with nickel plated eyes. Heavily reinforced corners. Built to give many years of useful service in learn to sail schools. Complete with long sail bag for storage of sail and spars. With window, sail battens, class logo and I.O.D.A. button. According to the IODA class rules.