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. Sold in units of 5 so to buy 10 choose 2 units, to buy 100 choose 20 units.