This is a flat, side bag made from Echino and Nico fabric. It does not have a magnetic button. Height 28cm, width 40.5cm, handle 30cm. Measurements may vary slightly. It can be used as a library bag, a lesson bag for extracurricular activities, or a school sub-bag. Of course, adults can use it too (*^^*) Please understand that this is a handmade item, so there may be thread joins and slight imperfections in the stitching.