The Dura Rez by Phix Doctor is the ultimate all in one ding repair resin. Dura Rez is a fibre filled ding solution which cures in only 2-3 minutes* and fixes both Polyester and Epoxy surfboards! Dura Rez is non-yellowing and is the only product of this kind on the market that can boast an endless shelf life! The durable tube also comes with three sheets of sandpaper, a clear magnifier sheet to allow the resin to be moulded for a super clean repair and two mixing/applying sticks.Features Fibre Filled, UV sun cure resin (2.0 oz / 60 ml) Works on Both Poly and Epoxy boards Cures in only 2-3 minutes* Endless shelf life Non-yellowing formula