Large size: height 39cm wide 27cm thick 17cm
small size: high 32cm wide 23cm thick 13.5cm
shoulder strap 45-85 【can adjust the length】
all colors have side zippers
large commodity weight: 0.65kg-0.7kg
trumpet Weight 0.5kg-0.55kg
【Large can be put under the 16-inch computer than the A4 paper can be put on the magazine】
【small can put A4 paper books】
manual measurement error