AeraVida Lucky Number 13 Round Skull .925 Sterling Silver Ring Material: Sterling Silver | Trademark: Stamped 925 Weight: 7.8 grams (weighted average for rings sizes 9 through 13) Design Measurements: 18 mm (0.71 in) wide x 16 mm (0.63 in) long Band Measurement: Slim to 4 mm | Finish: Shiny, Oxidized | Style: Trendy, Symbol, Skull, Punk, Gothic Includes an original AERAVIDA jewelry gift box. Perfect for gift giving to someone special or keep for yourself!