PACKAGE INCLUDES: You will get 4 cable storage boxes in different colors. MATERIAL AND SIZE: The cable storage box is made of PP material. No peculiar smell, strong and durable, not easy to break, easy to clean. The length of the cable tidy box is 2.51inch (6.4cm) and the width of the cable tidy box is 2.4inch (6.1cm). Please note that size measurement is not necessarily accurate and there may be a little deviation. MAIN FUNCTION: Long tangled ropes can be perfectly arranged in seconds, hidden and stowed away , and kept away from dust. It is very suitable for organizing your cable to avoid damage. OPERATING METHOD: Simply insert the middle part of the wire into the slot of the case, close the cover, then turn the switch grooved in the middle until the thread is retracted. To unfold, just grab both sides of the rope and slide it gently. SCOPE OF APPLICATION: It can be used for USB cable, data cable, mouse cable , earphone cable, charging cable or other small diameter wires, suitable