Hair Material: heat resistant synthetic. The synthetic hair topper can be washed, curled and straightened via heat tool. But the disvantage of the synthetic hair topper is that it will be knoting after several times use. How to solve the problem: You can use your hair conditioner to wash it or use some wig profector liquid to manage it. Dear customers, if there is no your color choice, please write to us to customize your hair color. Yanamy is a professional hair supplier. With many years experience on both domestic and oversea online business, we endeavors to provide our customers with the high quality products. With our professional service, quality control system, and after-sales service team,we are always able to provide our customers with the finest designs and products. If you have any questions about our products after you receive it, please feel free to write to us.