you can tie up the window curtains easily by fastening the cord loop. No tools required and no assembly, easy to use without damage your walls. The ring of the rope is adjustable according to the thickness of your curtain. Hold the ball with one hand and pull the knot with another hand, this way, you can find the most suitable tying size for your curtains. These cotton tiebacks are made of high-quality natural cotton, and well knitted by skilled craftsman. Our tiebacks are great with curtains, drapery or tapestries, adding a touch of feeling to your window, and bring some fun to your life.