Sweet Dreams: Fluorescent light takes over when you turn off the lamps. The shining star sticker creates a relaxing and comfortable environment, helping children fall asleep and leaving them free from fear of the dark . 100% safety material: waterproof PVC, non-toxic, environmentally friendly material. Safe for children. Glow in the dark stars and moon wall stickers can easy to apply & amp; remains on the wall or ceiling of any flat surface. Durable Luminous Wall Stickers: Requires a good few minutes of light activation before they glow in the dark. Our glow in the dark stars sticker can light up 4-6 hours when it has been absorbed light for 30 minutes. Best Suitable: With super strong brightness, great for decorating living room, bedroom, hallway, children's room, baby's room, girl's and boy's room, youth's room , the game room. The luminous moon is also ideal as a gift for a birthday, Easter or Christmas Note: Only suitable for smooth dry clean surfaces, no paste on the uneven wall or on the wall where there is too much dust or on the surface of the fabric. Light green color Package dimensions 30 x 30 x 0.5 cm; 90 grams Material Polyvinyl chloride Weight of the article 90 g