Material : cottonSize :120-130-140-150-160 Size Length Waist Suggest Height SuggestAge120 70cm/27.6in 78cm/30.7in 115-125cm/45.3-49.2in 5-6Years 130 75cm/29.5in 80cm/31.5in 125-135cm/49.2-53.1in 7-8Years 140 80cm/31.5in 82cm/32.3in 135-145cm/53.1-57.1in 9-10Years 150 85cm/33.5in 85cm/33.5in 145-155cm/57.1-61.0in 10-11 Years160 90cm/35.4in 88cm/34.6in 155-165cm/61.0-65.0in 12-13 Years