Solarez Polyester Repair Putty 2oz, For use on polyester / custom surfboards, Not to be used on Epoxy EPS surfboards, , Surfboard Repair fiberfil , Sufficient for twenty 1ft round dings to the outer fiberglass shell , Immediately ready to use, A thin-paste mixture of clear, polyester resin and chop-strand glass fibers, Hardens in 3 minutes when exposed to Sunlight, Comes with 60/240 grit and pad. , ,