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...
School backpack adaptable to a backpack trolley, thanks to its rear straps. Ergonomic shoulder straps, with breathable fabric. Main pocket with thicker zipper and a padded interior compartment to protect the transport of the laptop or tablet....