Hamee Original Okinawa Chura Stone Glow-in-the-dark Jewelry Cell Phone Strap String (Gray April) Chura-dama glowing ball is a deep part of Okinawan history and culture. A perfect high quality gift recommendation Special Japan made made a Chura glowing ball cell phone charm with Chura-dama. It is colorful under the sun and it glows softly when in the dark. We use fluorescent material for the inside of the snow ball, so it will glow in the dark after the snow ball is in light, wrap it with your hands and you will see its glow.