Material: canvas color: white outside and black inside Manual measurement, please allow 1-3cm error 12 holes: 12 holes 2 large holes/size: width about 20cm * length about 23cm/weight about: 55g 24 holes: 24 holes 2 large holes/size: width about 20cm * length about 34cm/weight about: 80g 36 holes: 36 holes 2 large holes/size: width about 20cm * length about 46cm/weight about: 105g 48 holes: 48 holes 2 large holes/size: width about 20cm * length about 58cm/weight about: 120g 72 holes: 72 holes 2 large holes/size: width about 20cm * length about 82cm/weight about: 175g There are extra two large holes on the left and right sides of each type of pencil case, which can be placed with small rubber, such as art knife Because of manual sewing, each model is different, and the details cannot be completely copied. Colored pencils are shooting props. This price does not include pencils Recommended; The thickness of the penholder is less than 1cm, and the length is less than 19cm