Material: made of artifact heat-resisting hair fiber. Length of the wig: About 55cm/21.65" Suggest for head circumference: 54-57cm/21.26-22.44" and has stretch strap to adjust size and keep tight on head. (A free wig cap given, sometimes with free hair clips too.) you can buy wig accessories here Warm tips: 1. Comb the wig when wear it; 2. Comb it smooth and keep it well if you don’t use it; 3. You can wash it with shampoo for keep clean.