Materials: 14k Gold-Plated Brass; Resin Dimensions: Diameter: 2.5" Closure: Push Back Care Instructions** Daily Care: Protect your jewelry and its plating by removing it while swimming, showering, exercising, washing your hands, or applying any products such as perfumes, lotions, or hair products. We pride ourselves on the quality of our product; however, if your jewelry should be exposed to any of the above products, tarnishing may occur. Tarnishing may also be caused by the skin's natural pH levels. Cleaning Instructions: To keep your jewelry clean, wipe it with a soft cloth. Do not use jewelry cleaner.