FEATURES of the Surftech Ding Dough Repair Putty Stick Tuflite Ding Dough epoxy repair putty stick is a quick and easy to use fiberglass reinforced "dough-like" compound that cures in or out of the water Perfect for travel or at home repairs and works great on both epoxy and polyester surfboards Three quick and easy steps: Pinch it, knead it, smooth it and you're back in the water