My boat is a 1997 with all original sails. They stay on the boat all year and the boat is in the water all year. They are not, however, in a salt water environment. Bert At Ease #442 **************************************Check out AOL's list of 2007's hottest products. (http://money.aol.com/special/hot-products-2007?NCID=aoltop00030000000001)