Lightweight Polymer ClayStainless Steel Hypoallergenic PostSealed with UV coated ResinMEASUREMENTS2.5 inches length x 1.5 inches width CARE TIPS- Avoid contact with perfumes, body oils, and other chemicals, including household cleaners. Never use chemical jewelry cleaners as these will do more harm than good.- For light cleaning, gently wipe with a damp, soft, lint-free cloth. - Store it in a cool dry place.-Due to the natural elements of the materials used, no two pairs are the same. Earrings may vary slightly in size, shape, and color.