PACKAGE INCLUDE: You will get 4 x cable storage box in different colors. MATERIAL AND SIZE: 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 storage box is 2.51 inch (6.4 cm) and the width of cable storage box is 2.4 inch (6.1 cm). Please note that the measurement of the size is not necessarily accurate, and there may be a little deviation. MAIN FUNCTION: The tangled long ropes can be perfectly arranged in a few seconds, hidden and tidy, and kept away from dust. It is very suitable for organizing your cable to avoid damage. USAGE METHOD: Just insert the middle part of the wire into the slot of the shell, close the cover, and then turn the groove switch in the middle until the wire is retracted. To unfold, just grab both sides of the rope and drag 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 for home, office and business trip life.