School backpack with detachable trolley. 2 uses in 1: the use of a fixed trolley with a sturdy base. With two big, silent wheels for better movement and stability. The position and inclination of its two front legs prevent the trolley from tipping over and the other use of just a backpack, since it can be separated from the trolley through the zipper...
pencil case with big capacity. It has 180º opening by means of a zipper. It has two inner cases attached by a velcro system to the main case, which can be easily removed from the velcro. It has an external handle on the back for easy transport and attachment to a backpack trolley. Ideal for keeping school supplies organized and classified by use....