Material: 100% Top Heat Resistant Kanekalon Fiber,can be used by the Curling Iron / Hair Straightener below the temperature of 210 degrees Fahrenheit One piece straight clip in hair extensions,Brand new and high quality Really very soft, pliant, brilliant and straight Can be permed and washed repeatedly Can be restyled or shorn to many different lengths as you like Material: synthetic hair ; Length: approx 23\