One-part resin that cures with both a light (405nm) and a UV light (365nm). ● Maintains crystal-like transparency that doesn't yellow over time*. ● Super-fast curing type that begins to harden in about 1-2 seconds with a UV-LED light and cures in about 30-90 seconds. ● Waterproof and durable finish after curing. ● Works beautifully with soft molds and silicone molds. ● Cures well in sunlight. ● Less stickiness and a beautiful finish after complete curing. ● Can be used for molding with transparent molds or as a surface coating agent. *Discoloration specific to resin may occur due to aging. Brand new, unused!