Optiparts standard sail without the window, IODA button, and logo. 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 sailbattens and long sail bag for storage of sail and spars. Without window, class logo and I.O.D.A. button.