303 Protectant acts as a beautifying liquid sunscreen for fiberglass, vinyl, rubber, plastics, and sailcloth. Immediately restores original color and gloss to faded fiberglass without buffing! Keeps fiberglass looking showroom-new with periodic spray on/wipe off applications, usually every 45 to 60 days of exposure. 303 is not oily or greasy, will not wash off, and does not attract dust. Ships ground only.