You have found it! The best Tumbler epoxy period. This resin will cure fast clear and rock hard. Our formula is specifically designed for Tumbler manufacturers. Our resin is self leveling, FDA compliant (after 10 day cure), NON Toxic, Low odor, and best of all… NON Yellowing!! This resin will not yellow even under direct UV light. Fast Cure (2 – 3 hours Gel). Full cure in 6-8 hours Cures clear like glass.FDA compliant Food safeNon Yellowing FormulaEasy to use 1-1 mix ratioFast delivery – Same day shipping from California, USA