3-D Hand-painted Ram (Glows in the Dark) Resin 15x17mm Charms Made with Hypo Allergenic Surgical Steel Ear Wires for Pierced Ears Phosphors radiate visible light after being energized. This means you have to expose the charms to light for a while before they will glow in the dark. Phosphors then slowly release their stored energy over time. As they release the energy, they emit small amounts of light, which we see as an object glowing. Handcrafted in Colorado NAE-60 3-D Lampwork Sleeping Sheep 17mm Glass Charms Made with Hypo Allergenic Surgical Steel Ear Wires for Pierced Ears Handmade in Colorado Item NAE-123 3-D Hand-painted White Sheep Resin 12x17mm Charms Made with Hypo Allergenic Surgical Steel Ear Wires for Pierced Ears Handmade in Colorado Item NAE-65 3-D Hand-painted Black Sheep Resin 12x17mm Charms Made with Hypo Allergenic Surgical Steel Ear Wires for Pierced Ears Handmade in Colorado Item NAE-67 3-D Hand-painted Black Sheep Ceramic 12x13mm Charms Made with Hypo Allergenic Surgical Steel Ear Wires for Pierced Ears Handmade in Colorado Item NAE-54 3-D Lampwork Sheep (Glows in the Dark) 18x20mm Glass Charms Made with Hypo Allergenic Surgical Steel Ear Wires for Pierced Ears Phosphors radiate visible light after being energized. This means you have to expose the charms to light for a while before they will glow in the dark. Phosphors then slowly release their stored energy over time. As they release the energy, they emit small amounts of light, which we see as an object glowing. Handmade in Colorado Item NAE-158 3-D Sheep White with Black Face Lampwork 10x12mm Glass Charms Made with Hypo Allergenic Surgical Steel Ear Wires for Pierced Ears Handmade in Colorado Item NAE-66A 3-D Sheep White with Black Face Lampwork 14x19mm Glass Charms Made with Hypo Allergenic Surgical Steel Ear Wires for Pierced Ears Handmade in Colorado Item NAE-66B More Animal & Bug Earrings: https://www.etsy.com/shop/JMJBlessedBeads?ref=search_shop_redirect§ion_id=16718772 Sheep & Ram Earrings - White Glass Resin Black | 2 Glow in Dark Glass Or