✨【YELLOW RESISTANT & DURABLE】After research and development, we add a new type of UV inhibitor to the resin to prevent the resin from turning yellow due to overexposure, and keep the resin clear for a longer time; the cured resin is extremely hard, scratch-resistant, which can make the resin more durable. You can grind and polish at will; it is the heartbeat choice for high-quality craftsmen.