Description: -100% handmade and high quality -Perfect gift for festival,commemoration day -Perfect gift for yourself,families,friends,lovers -Can be used for heal ing,reiking,home decor,house treasure -Can help for degaussing, reducing radiation of home appliance effectively -Can help to balance your body and mind,promotes natural health,spiritual growth Let them absorb enough light, put them in the sunlight,you also can use the flashlight or the light of the mobile phone screen , and then in the darkness of the environment, they will glow for several hours. They can always repeated to use.