The 15 m (single line) retractable clothes drying line can be extended to any length up to its maximum. The automatic line retraction protects the line from dirt, helping to keep laundry clean.To use, extend the line from the reel and attach to fixing location, pull line taut and then loop twice around the locking cleat on the underside of the reel to lock in position. Can be used indoors or outdoors. Requires fixing to a solid surface (such as a wall) with the enclosed fixing kit. Clear and easy fitting instructions on back of box.