Bảng sz các mẹ tham khảo :
Size : 21-32
Size 21: 13,5cm
Size 22: 14cm
Size 23: 14,5cm
Size 24: 15cm
Size 25: 15,5cm
Size 26: 16cm
size 27: 16,5cm
Size 28: 17cm
Size 29: 17.5cm
Size 30: 18cm
Size 31: 18,5cm
Size 32: 19cm