AYAMAYA 1 Pair LED Light Up Earrings Crown Shaped Shining Ear Studs Party Accessories For Christmas (White) Material: Stainless steel earring with Cubic Zirconia stone Size: Approx.8mm(diameter)*15mm(Length) LED can be turned off by pulling the post slightly. Replace batteries ( 2*LR521 ), lasts over 30 hours. Suitable for wearing at parties and special occasions.