Assembly Jigsaw Bag is consisted of three layers and can be used in four different shapes. The top, middle, and bottom layer are irregular quadrilaterals connected by #8 zippers. All three layers combined give the maximum storage space of the bag. The top and middle layer can be connected to the bottom layer respectively for diverse looks. The bottom layer can be used independently for portable carrying. Each layer has magnetic snaps to ensure the safety of belongings, and two eyelets to connect the detachable shoulder strap.