SCULPTURAL SHAPES COLLECTION: Jewelry designed as a play on shapes—whether in expected or unexpected forms. Each engaging figural or geometrically - shaped piece in this collection is hand-cut and crafted from brass. A tribute to artistic expression, these sculptural circle earrings are enhanced by a subtle, wave-like pattern and wire-brushed finish on satin finished silver-plated brass. Sterling silver post backs. Item #853607 Geometrically - Shaped Piece Sterling Silver Post Backs Wedding Earrings Minimalist Earrings HOW TO CARE FOR YOUR JEWELRY: Jewelry made of brass and silver will naturally oxidizes over time, developing a beautiful patina that some collectors prize. To restore your jewelry piece's original shine, start by cleaning with a soft cloth. You can also polish using a mixture of equal parts lemon juice and vinegar, combined with enough baking soda to form a paste. An alternate cleaning option is to use opaque toothpaste and a soft toothbrush. With either cleaning solution, rinse the paste off, dry your jewelry immediately. Do not use cleaning solutions directly on any stones on your jewelry. Never use bleach, ammonia, alcohol or acetone to clean your jewelry. When wearing brass or silver jewelry directly on the skin, normal oxidation can result in a temporary, non-toxic skin discoloration that is easily washed off with soap and water.