Birthday Gift Sun Double Side Nebula Galaxy Moon Luminous Keychain Planet Keyring Solar System

Label:Yes Metal Color: silver Glass Size:20mm Package Including: 1 piece of keychain Product Length:80mm Material: Glass+Zinc Zinc Zinc Zinc Alloy

how to glow in the dark: Put the product in the sun or under the light for 10 seconds Then put the product in the dark. you will see the product glow in the dark