Phix Doctor's new rapid repair instant mix and fix ding putty is the perfect remedy to fix those unexpected dings, and is suitable for both epoxy and poly boards. With instant drylock technology, and the ability to cure under the water whilst surfing, this is the perfect product to fix your board whilst on the go. Its compact size also makes it perfect to take travelling. Rapid Repair Ding Putty Key Features: Repairs both Epoxy and Poly surfboards Instant Dry Lock Technology Cures Underwater while you surf* Instant mix and fix