Designed with 2 layers, and each layer can be divided into 5 slots, and the length of each slot can be adjusted by removing the plastic sheet at the bottom layer.Suitable for electronic components, jewelry, cosmetics, stationery and small tools. Such as IC chip, small screws, nuts, washers, earrings, bead, brooch, thumbtack, clips, fishhook, other small parts.Unque design closure is convenient to open and close.