1. You will receive 440 pieces in a set, including 1 piece 20 cm luminous moon. 2. [Interstellar Decoration]: These give the night sky a realistic look and transform the room into a star-studded bedroom in the dark, making it an ideal choice for decorating children's rooms. 3. [Super Strong and Persistent Luminescence]: You only need to place it under a flashlight or sunlight for 20 minutes, and it will continue to glow for 8-10 hours because the sticker needs to absorb light to glow. The longer it absorbs light, the longer it emits light. After all events, you will have a luminous scene in front of you. 4. [Sky Blue Moon and Star Decoration Design]: 440 full stickers, high-quality stars and a 20 cm full moon can help you create a more realistic stargazing. Place it under a light source to absorb light for a while, and it will emit light in the dark. The naturally twinkling starry sky adds charm to any room in your home. 5. A wonderful gift for sparkling boys: Sparkling stars and moon can help your child not be afraid of the dark. Luminous stickers can create a warm atmosphere and help children fall asleep quickly. More importantly, the gifts you give to people every night will make them smile when they look at the simple light.