Made In U.S.A Style 1140 Size 1.7" x 1.7" Atom Earrings Although atoms are the smallest unit of matter, these earrings are sure to make you big and stand out! This is the perfect gift for anybody who has an obsession with science! 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.