Surf clam shell charms are cast from a mold of actual shells found on Cape Cod.  Available in size medium or small in your choice of 14K gold, shiny sterling silver, or oxidized sterling silver.  The medium shell is approximately 1/2 inch (1.3 cm) wide by 3/4 inches (1.9 cm) tall and the small shell is approximately 3/8 inches (1 cm) wide by 1/2 inch (1.4 cm) tall.  Great for either a necklace or charm bracelet.