Sweet dreams: The fluorescent light takes over when you turn off the lamps. The shiny star sticker creates a relaxing and comfortable environment, helping children fall asleep and letting them no longer be afraid of the dark. 100% safety material: Waterproof, non-toxic PVC, environmentally friendly material. Safe for children. Glow in the dark stars and moon wall stickers can easy to apply & stay 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 30 minute. Best suitable: With very strong brightness, ideal for decorating living room, bedroom, hallway, children's room, baby room, girl's and boy's room, youth room, bathroom. games. The bright moon is also ideal as a gift for a birthday, Easter or Christmas! Note: Only suitable for smooth and dry clean surfaces, no paste on the uneven wall or on the wall where there is too much dust or on the fabric surface. Color Light green? Package dimensions? 30 x 30 x 0.5 cm; 90 grams Material?Polyvinyl chloride Item weight?90 g