Made from sustainably sourced wood and 90% recycled display cards. Laser-cut wood. Stained with water based dye. Ear wires are silver-finished 304L stainless steel, hypoallergenic, and enhanced with a new, smooth and consistent electrophoretic coating that resists tarnishing. Size: 1.65" x 1.65". Made in USA. Backside is plain wood color. Abstract Circle Array is a set of pictured layered pastel circles.