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