Multi-functional sorting parts box The insert can be detached, thickened and compressively resistant to environmentally friendly plastic Texture upgrade Environmentally friendly new materials are healthier Inserts can be placed freely Thickened compression Resistance Thickened and thickened muscles and bones Upgrade the double-layered thickened parts box Skillfully use the space up and down double grid to thicken and resist pressure The internal insert can be detached, and it can be flipped at will, and it is not stringed Hanging ring design for easy hanging Easy to carry and store and save space