<Materials & Specifications> - Dimensions: 2.5 x 2.2 cm. - Materials: 999 silver / Zircon - Necklace : Black Rubber + 925silver buckle <Note to Customers> -The pictures by our product real shot. Please allow for some variation in color as displayed on different devices and screens. Actual colors may vary. -This product is handmade, and so slight variations in size are to be expected. -This is a limited-edition product. <Packaging>kraft paper box / zipper bag / silver cloth https://c2.staticflickr.com/2/1894/43786788254_0e8ba367bf.jpg <Care Instructions> -Please avoid wearing silver jewelry when taking a shower/bath, swimming, or using a spa or hot spring. Otherwise the silver will turn yellow over time and restoration will not be possible. -If silver becomes tarnished as a result of discoloration or oxidation, please use a silver cloth and wipe the jewelry in one direction. This should restore luster to the silver. -To avoid oxidation, when not wearing, wrap your silver jewelry in tissue papers and put it in a plastic zipper bag.