The Ziploxx Nexxt 20in Ultra Fibers Extensions in its human-hair like texture that allows for smooth combing, as well as its good curl holding. It is a high-heat fiber, so electric hair irons can be used to arrange hairstyles. The recommended temperature is 180℃ or less (not a guaranteed value). Nexxt comes in multiple colors , and by mixing the colors even a more natural look and feel can be achieved.