Made In U.S.A Style 1721 Size 1.2" x 1.9 " Ether Earrings Ethereum is an open-source software framework that is based on blockchain technology. Ethereum helps you build smart contracts and decentralized applications without downtime or third-party interference. Ethereum is also moving to Proof of Stake tech that will Cut 99% of its energy consumption Made from sustainable sourced Eco friendly wood and 90% recycled display cards. Laser-cut wood Stained with water based dye Ear wires are silver-finished 304L stainless steel, hypoallergenic Earrings shown in color Black Satin