Express yourself with Patricia Locke jewelry! Made of silver plated pewter with Swarovski crystals in the color scheme Denim Blue. Surgical steel posts. Measures 0.38" diameter. Handmade in US. Jewelry Care: Expect some natural aging effects. Pieces should be maintained with a soft, untreated jeweler's cloth, no liquids or detergents. For best wear, keep jewelry away from moisture and put on after any lotions, hair sprays, or perfume.