About this Item Glowing Crystal Stone Earrings -- The crystal stones cannot shine by themselves. But these crystal stones absorb enough sunlight during the day and glow for up to 3-6 hours at night or in any other dark environment. If the brightness is not enough, please use light again. Fluorescent Earrings Materials--This glowing earring is made with high quality crystal stone, nickel free, lead free, and comfortable for women girls sensitive ears. Holiday earrings are perfect for plays, Halloween, Christmas party, Birthday or as a unique costume jewelry, dress up and cosplay uses. Glowing Jewelry Dimension--Fashion drop dangle earring is in 1.56*0.63 inch. The weight is 8g each pc. Adorable Gift--These adorable and interesting earrings make a great gift for family and friends. Perfect Christmas Gift For Women--Perfect gift for a Christmas party favor, thanksgiving, Party, Balls, New Year, festivals, etc. The exquisite design will never go out of style, easy to match everyday costume, be unique on special day, great gift for kids girls, ladies, mother, daughter, wife, friends or a special gift for yourself. Great After Sale Service--These glowing crystal stone earrings are shipped by Amazon, 3-5 days fast and safe delivery. We provide an replacement or a 30 Days money back guarantee.