They're from Peru. They're ceramic. They're hand painted. Drilled back to belly. Approximately .5 inches high, 1 inch cheek to tail. Calico cats are almost always girl cats. it's a a "Don't Howl, don't Yowl" situation. Look it up. PCB's - Peruvian Ceramic Beads. Some of the PCB holes will take a 2mm cord, some just close to a 2mm cord.