Shoe size: S code (for 34， 35， 36 yards at ordinary times wear)，

M code (for 37， 38， 39 yards at ordinary times wear)，

L yards (for 40， 41， 42 yards to wear at ordinary times)

Serial Number: 1	Serial Number: 2
Serial Number: 3	Serial Number: 4
Serial Number: 5	Serial Number: 6
Serial Number: 7