"Betty Rocks" collection is a hand made product made by Pearlstrings a New Hampshire company. "Betty Rocks" collection was inspired by love of nature; pure, bold and beautiful. These genuine, natural, semi-precious stone beads bring healing energy to us that only nature can provide. Each piece is made up from the same style bead throughout. Each stone is unique in its individual characteristics. Individually hand knotted on coordinating silk thread and finished with a Sterling silver toggle clasp. "Betty Rocks" is the perfect signature piece of jewelry to compliment and finish off your favorite outfit for day or evening!20'' Sterling Silver Polished 13mm Round Toggle Clasp - Polished 12mm Round Dyed Green Agate Necklace.