This is a Closed-Back Hobnail Heart Bezel in mixed-metal with bronze-plating. Perfect to use for ICE Resin (sold separately) techniques! It is the perfect base as a pendant or add multiple together to create a bracelet. Each package includes one piece that measures: inside bezel area measures 4.5 cm from clasp to point, and 5 cm in width, with a .6 cm depth.