【Size Information】Rolling backpack for kids 18.92'' high, side to side width 12.87'', front to back depth 8.27'', this size is available to carry on the roller backpack to the airplane,no necessary to check in when travelling, the wheels are equipped with a cover in the zipper pocket above the wheels, keeping them from dirty. 【Multiple Compartments】Tilami rolling backpacks have remarkable patterns popular with kids and impressive designs, high quality fabric, and big storage capacity up to 35 Liters, sorting your belongs by different compartments. 【Reduce Back Stress】Research shows that the weight on the shoulders of American teenagers before age12 should not exceed 10% of their own weight, while after age 12, not exceed 15%, Tilami wheeled book bag for school will effectively reduces back pressure, making it easier for school or travel.