1inch=2.54cm size 90:length 14.9'', waist *2 11.6'' ,pang length 9.8'', for age 2-3Y size 100:length 15.7'', waist *2 12.4'' ,pang length 10.6'', for age 3-4Y size 110:length 16.9'', waist *2 13.2'',pang length 11.4'', for age 4-5Y size 120:length 18.1'', waist *2 13.6'' ,pang length 11.8'', for age 5-6Y size 130:length 19.2'', waist *2 13.8'' ,pang length 12.6'', for age 6-7Y