Products in the bundles -Matein blue large school Laptop Backpack*1 With built in USB charger outside and built in charging cable inside,this usb backpack offers you a more convenient way to charge your phone while walking. -Matein Rolling Backpack*1 The large school rolling backpack dimensions are 10.53*15.52*20.48 inches, capacity is 55L. The wheeled backpack has sturdy telescoping handle and smooth universal wheels for easy moving, reduce the burden of shoulder when walking outside. Extra large main compartment can hold lots of books, clothing & travel accessories. Front organized compartments has many devided functional pockets for pens and little items. Two side pockets designed for bottle and umbralla.