Self grip hair rollers are made of plastic and nylon, the duckbill clips are made of plastic and with Korean springs to get more durablility
size of the self holding rollers are approx. 40 mm in diameter, sectioning clips are approx.6.3cm in length, for you to create different degrees of wave, curls
comes with 12 pieces salon hairdressing curlers in,12 pieces plastic duckbill clips, nice combinations for completing the styling, drying, coloring and curling process by yourself