This comb is made of high quality PP plastic. The detangling brush works on any hair type. Worry no more when you try to detangle your hair. It can be used on straight, curly, natural, thin, thick, kinky, coily, frizzy, extensions and even wigs. It simply separates the most stubborn tangles and eliminates knots without any tugging. 8 21/32" L x 2 3/4" W