The 3.25 inch diameter Ghostbusters Glow In the Dark Belt Buckle acts like a focusing array for proton packs and other forms of unlicensed nuclear accelerators. How else do you think it can glow in the dark? That's what I'm going with anyways. Still, the Ghostbusters Glow In the Dark Belt Buckle is a groovy way to fancy-up that normal belt of yours with the symbol for your favorite para-psychologists. Just remember that if anybody asks if you are a God, you say yes!