Stainless Steel Glow Fob from TEC Accessories. Bead-blasted matte finished Stainless Steel housing with green glow resin filled clear acrylic tube. Light exposure charges the resin, which can glow for up to 12 hours. Attach to your keychain, zipper pull or even a flashlight to make locating things in the dark easier. Includes a 7/16" diameter split ring for attachment.