They're from Peru! They're ceramic! They're handpainted! The hole goes lengthwise across her back. Approximately 1 inch long, 5/8 inches high. These are the regular whitish/grey ones, not the pink ones you see crossing the road in the snow at four in the morning when you've been driving a truck for eight hours. Most of the PCB holes will take a 2mm cord, some just close to a 2mm cord.