S Number: tile size: 23CM crotch length: 16CM trousers length: 17.5CM for children aged 3-5
  M Number: tile size: 25CM crotch length: 17CM trousers length: 19.5CM for children aged 6-8
  L Number: tile size: 28.5CM crotch length: 18.5CM trousers length: 21CM suitable for children aged 9-13