Creative Wall Decal This moon wall sticker seems like a normal decal in the daytime, but it will automatically glow at night magically, the luminous moon in the darkness creates a relaxed and comfortable ambience. ***Stick it to the wall that gets more LED lights will make the glowing effect more amazing.*** Product Specifications Diameter: 30cm (11.8inch) Material: PVC Weight: 50g Color: Green (luminous green in the dark) Note 1. Unpack and keep the sticker under the sunlight or artificial light for at least an hour. 2. Stick it to the surface that is dry, clean, smooth and dust free. 3. Position it in the area that gets sufficient exposure to light during day time