1. Pants size: 26-28, waist 65-73cm - recommend belt length: 95 cm
2. Pants size: 28-30, waist 73-80 cm - recommend belt length: 100 cm
3. Pants size: 30-33, waist 80-87 cm -recommend belt length: 105 cm 
4. Pants size: 33-35 , waist 87-93 cm - recommend belt length: 110 cm 
5. Pants size: 35-37, waist 93-100 cm - recommend belt length: 115 cm 
6. Pants size: 37-40, waist 100- 110 cm , recommend belt length 120 cm 
7. Pants size: 40-42, waist 110-120 cm , recommend belt length 125 cm