Smartdealspro 10-Pack D6 Six Sided 14mm Glow in The Dark Dice Die 14mm D6 round angle glow in the dark dice Reusable--Put is Under The Sun or Use a Strong Light Source to Shoot The Dices Before Using, Will Get Much Better Experiences,Longer Shining Time, Better Glow Effect. Charge Them Up in Front of a Strong Light Source for Best Effects Perfect for D&D, Magic MTG, Yugioh, Minature Gaming, or school supplies Due to the manufacturing process, some dice may occasionally have minor blemishes or flaws