Of course, everyone knows that laser-sealed borosilicate glass vials that are internally coated with phosphor will create a cold energy that produces a light source when injected with gaseous tritium. It's as plain as the nose on your face.
The Nite GlowRing Safety Marker is the ultimate glow-in-the-dark keyring bringing an end to digging around in the bottom of your handbag searching for your keys! The safety markers were originally used during the cold war to provide emergency lighting in submarines, but these days Glowrings are now becoming the latest fashion accessory! The amazing tritium Glowring is made from durable polycarbonate and will glow for over 10 years.