Purple, red, blue, green, orange. Ya never know. We'll send you a mix if you order multiples. They're from Peru. They're ceramic. They're handpainted. Drilled back to belly. Approximately 1 inch. Holsteins were so rare in Vermont when I was growing up that we rushed to that side of the car when we saw one. Vermont was guernsey and jersey and ayrshire country. Gentle cows you could imagine liked to be petted by small children. PCB's - Peruvian Ceramic Beads. Some of the PCB holes will take a 2mm cord, some just close to a 2mm cord.