100-300pc Glow in The Dark Stars Wall Stickers Luminous Fluorescent 3D Adhesive Home Decor for Kids Baby Room Bedroom Ceiling

Star stickers can only emit light after prolonged exposure to light For a long time, and they will not be as bright as in the picture. That is the image effect. If you mind, please do not purchase. We hope you understandInstructions for Use!!!Notes: The glow-in-the-dark stickers require light to glow. The brighter the light, the better the effect. Shining the light at a close distance for 15-20 seconds will allow the sticker to reach light saturation. The glow will gradually fade over time; if the glow disappears, you can shine the light again to replenish it. The stickers are in darkness for extended periods during shipping, so they need to reach light saturation before they will glow.Please understand the glow principle correctly: The glow is a temporary, weak fluorescence; it only emits light when it absorbs light, and it won't stay on indefinitely! It will glow when it absorbs light, and can be used repeatedly.