M code: waist circumference 90 cm， suitable for waist circumference 2.0-2.5 feet (67cm-82cm)

  L code: waist circumference 100 cm， suitable for waist circumference 2.6-3.0 feet (86cm-99cm)

  XL code: waist circumference 110 cm， suitable for waist circumference 3.0-3.4 feet (99cm-112cm)