Magnetic function makes it easy to attach or fix on other surfaces without damage. These cables will not interfere with data transmission to the charging cable, USB or earplugs. Silicone material is reusable and reduces plastic waste. The magnet is embedded in the silicone, so it will not fall, and there is no safety problem. Using magnetic cable clamps, to ensure that your wires are neatly wrapped without winding. 4 3/10'' L x 7/10'' W