303 Aerospace Protectant provides maximum UV protection for vinyl, rubber, fiberglass, plastic, Dacron and monofilm sails. 303 Aerospace Protectant immediately restores original color and gloss to faded hulls and Dacron sails. Fiberglass stays showroom new with periodic spray-on/wipe-off applications every 45 to 60 days of exposure. Non-toxic and environmentally safe; does not contain silicone oils or petroleum distillates. Non-aerosol.