100% nylon micro hook,can clip onto hair easliy,no harm to hair,convenient and beautiful hair accessory --This is the hot-sale product, made of 100% nylon micro hook, --All passed SGS,ITC,ROHS,and conformed to European environmental standars.--With good effect to fasten to your hair, no need for any hair clip,no harm to your hair,good help for your daily work,you can use it to fixed your hair ...