Caswell Epoxy Gas Tank Sealer Motorcycle Kit - Up To 10 Gal. Cans Works on all gas tanks - metal, plastic, fiberglass, carbon fiber No need to remove rust before sealing Prevents ethanol from weeping through plastic Fully cured in 24 hours Three Sizes and Six colors to choose from (Clear, Red, Black, Grey, Blue &amp; Teal) Proven Fifteen year track record