Backpack with pull-out mechanism, school bag with pull-out mechanism, dimensions 45x30x20 cm, open state with pull-out mechanism, 95 cm, pull-out handle height, 50 cm laptop compartment, wide comfortable running zippers, water resistant fabric, orthopedic backrest, complete inner lining, main compartment + front compartment + front pocket + side pockets, sponge supported back shoulder strap, melt resistant wheels, aluminum pull-out mechanism, backpack with pull-out mechanism, school bag with pull-out mechanism, dimensions 45x30x20 cm, open state with pull-out mechanism, 95 cm, pull-out handle height, laptop compartment, wide comfortable running zippers, water resistant fabric, orthopedic backrest, complete inner lining, main compartment + front compartment + front pocket + side pockets, sponge supported back shoulder strap, melt resistant wheels, aluminum pull-out mechanism, backpack with pull-out mechanism, school bag with pull-out mechanism, dimensions 45x30x20 cm, open state with pull-out mechanism, Pull handle height 50 cm laptop computer compartment wide comfortable running zippers water resistant fabric orthopedic backrest complete inner lining main compartment + front compartment + front pocket + side pockets sponge supported back shoulder strap melt resistant wheels aluminum pull mechanism trolley backpack pull school bag 45x30x20 cm size open state with pull mechanism 95 cm pull handle height 50 cm laptop computer compartment wide comfortable running zippers water resistant fabric orthopedic backrest complete inner lining main compartment + front compartment + front pocket + side pockets sponge supported back shoulder strap melt resistant wheels aluminum pull mechanism