Leaves Ring Glow in the Dark / Sterling Silver 925 Ring /On this leaves ring I added my touch of phosphorescent on each little leaves, luminous and simply a beauty! Sterling Silver . 925 ring I use the highest quality glow in the dark material. Compared with regular sulfide photoluminescent pigments it have 10 times higher and longer afterglow luminance and afterglow time. You have to charge the ring by holding it under a light a few minutes before you wear it in a dark, it will gradually release its light