Carolyn Pollack Treasure Box Sterling Silver Black Onyx Reversible Pendant Necklace and Box Set Natural Gemstone: Black Onyx Made with Genuine .925 Sterling Silver and Gemstones From Around the World Reversible Pendant Measures 1 Inch L and Comes Ready to Wear on 18 Inch Chain 2 Inch Aluminum Treasure Box with Concha Design Included Lifetime Warranty on Jewelry, Pendant Necklace is Proudly Made in America