Matte finish - Cultured sea glass is recycled glass that has been tumbled and formed to create the natural beauty of ocean beach glass. I made the ear wires out of Argentium sterling silver. Argentium is a higher grade sterling and is hypoallergenic, nickel free and tarnish resistant (great for sensitive ears) Head pins are silver plated brass I added a 3mm Swarovski pearl to the earrings. The earrings are all handmade, ready to ship, come with rubber ear guards and packaged for gift giving Matte frosted finish Plain, Simple and Lightweight cultured sea glass earrings for everyday or formal wear. Earrings hang around 1 inch.