This fiberglass polish is a synthetic polymeric formula which cleans, shines and protects fiberglass surfaces. It removes oxidized paint, fine scratches, tree sap, bugs and tar. This durable, elastic coating bonds to fiberglass to protect against UV rays, acid rain, oxidation and other environmental pollutants. Can be applied in the sun or shade. One application protects against UV rays, acid rain, oxidation and other environmental pollutants. No polish is easier, shines better and last longer-guaranteed.