So you have already gotten your glow in the dark toilet paper and soaps? You may want to complete your set and get this Glow in the Dark Neon Toilet Seat fits round and elongated toilet bowls. It glows up to 8 hours when charged. How do you charge these? You can use any light source, including sunlight, light bulb, florescent. These are available in blue or green. Sets you back under $50.