Green Lantern Band Ring with Glow-in-the-dark Stone. All sizes are available. Condition is New. Shipped with USPS Priority Mail Small Flat Rate Box. Made in USA. Warning: choking hazard, not suitable for children younger than three (3) years. Background (see https://greenlantern.fandom.com/wiki/Emotional_Spectrum#Green.2FWillpower): Green is the color in the center of the spectrum, and represents willpower. This color has the least amount of influence on the wielder, and can only be controlled by one who has an indomitable will that can overcome great fear. The Oans harnessed this energy. Following the departure of The Controllers, those who remained on Oa became the Guardians of the Universe, and used the green light as the power source for the Green Lantern Corps, an organization that would battle evil whenever and wherever it rose to threaten the universe. The Green Lantern Band Ring is 3D printed using the plant-based translucent green resin by Anycubic, except the stone, which glows in the dark. The glow-in-the-dark effect can be achieved by illuminating the resin stone with UV light, such as from the sun or UV LED. Here is the description of the resin:HighlightsBiodegradable and made from soybean oil, truly eco-friendly.No VOCs, no BPA, no harmful chemicals.Complied with EN 71-3:2013 safety standard.Optimized curing time for Anycubic Photon, offering better printing quality.Sensitive to 355nm~405nm UV light. Compatible with most LCD/DLP 3D printers.Product Description See pictures.