• Quality material: Invisible thread extensions made with premium synthetic fiber, with a natural look and shine. • Comfortable and stable: Increase hair length and volume in minutes without the need for additional glue or clips. • Easy to use: Place the invisible thread on the top front of the head, allowing the hair to stay at the back. • Design: Adjustable nylon system that fits all head sizes, allowing you to put them on and take them off in seconds.