Open the outer lip, pop the charger inside the inner core and wrap the cords around the spool and flip the outer lip back. It takes only seconds, and your charger and cable will be completely surrounded and protected inside a soft and highly durable premium silicone shell. The Nest’s XL compact size and flexibility allow it to be conveniently stored anywhere from pockets to purses to backpacks to computer or gym bags. When ready to use, simply pull your USB cable out, they will come out tangle-free instantly.