PhixDoctor Surfboard Repair Kit Epoxy/Poly Microkit 6 Pack Each compete repair kit fixes up to 5 average dings and works on epoxy or polyester! Ultra clear, never yellows, non flamable resin is welcome on airplanes. No shelf life means it won't harden until it's exposed to the sun. Paddle out with a kit in your wax pocket! Water Proof and always Ready for the next ding. 6 packs of these great kits!!! Non-yellowing formula.