Flat feet orthopedic insole arch

Code C is about 16cm in length, Code D is about 16.5cm in length, Code E is about 17cm in length
F code length is about 17.5cm, G code-length about 18cm
Product code number
C code is suitable for 30-33 code, D code is suitable for 34-36 code, E code is suitable for 37-39 code
F code is about 40-42 yards, G code is about 43-46 yards