... hot-sale producct. Recycle & durable. Hot hair roller,Velcro hair roller,Hair curlerFeatures and usage of Hot hair rollers:1) Mateial: Nylon2) Nylon Hair Roller is popular ... in Korea,Japan,European,USA...,.Used for hair curl. This is the hot-sale producct.3) Recycle ... SGS, in line with the European environmental protection standards. Pretty Popular Hot Hair Rollers