Porcelain studs with 22k gold dipped, 14k gold filled post and backing 3/8 x 1/4 inch (10mm x 6mm) Inspired by organic shapes and natural textures. Porcelain is the finest clay that requires it be high-fired to maintain the purity and exceptional durability of the pieces. Each piece is hand sculpted and assembled by Mier in her studio in New York City. All jewelries are made to order.