Our Yaki Straight Asian machine wefts are created using 100% natural Asian hair that has not been treated with any chemicals. The wefts are tied together using a machine. Your stylist also has the option of cutting the strands that they will need in order to help you create the look you want. Our silky straight Asian machine wefts are heat friendly which means that you are able to use heat in order to style your hair. If you curl your hair you are able to just wash the hair and it will go back to its natural form.