Description 12PCS 7X6 5CM Honana Halloween Fluorescent Glow Witchs Wall Sticker Home Bedroom Decor This Photoluminescent Pigment is environmentally friendly Great decoration for bedrooms nursery rooms kids room etc Specifications Brand HonanaType Fluorescent Sticker Style WitchsMaterial PlasticColor Light GreenSize Received 21cm x 29cmFinished 12PCS x 7cm x 6 5cmWeight 15g How it works It adsorbs light and glows in the dark So you must put it in the sun to absorb much light Or you can also turn on the lights tolet it absorb enough lamplight When youturn off the light andgo to bed it will glow in the dark Package Included 1 x 12PCS 7X6 5CM Honana Halloween Fluorescent Glow Witchs Wall Sticker