These are sturdy, hammered, 14 gauge Argentium Sterling Silver with 18g wire soldered to them for comfortable earwires. They are also 2" long & 3/4-1" wide. Argentium resists tarnish & is .935 silver as compared to .925 sterling. These can also be made in 14K rose or yellow gold fill on request. Argentium Sterling, Recycled Silver, Thick, Rectangle, Not Hoops