- Just stick the glowing star wall where it can be illuminated by light; The longer it is absorbed under the light source, the longer it lasts and shines in the dark. Create a starry sky on the ceiling of your bedroom or children's room. - Glowing stars help your children not be afraid of darkness.It can be applied to any smooth surface, such as door, window, tiles, glasses, ceiling, etc. the luminous stickers can create a warm atmosphere to help your kids fall in sleep quickly. % - The glow in the dark stars set is Non-Toxic, safe material.Environmentally friendly, colorfast and safe for children. They can be easily peeled and pasted, and stay on the wall or any flat surface without falling off until they need to be removed. - With durable glow stars for ceiling, your glow in the dark galaxy set are here to stay as long as you like. Our non-toxic sticky putty attaches to walls or ceiling of any texture. Simply pull off each piece with no stains and minimum mess when you don't want them. - Create your own magical galaxies with glowing stars and a large fluorescent full moon to create naturally shimmering constellations that add charm to any room in your home.