Item Material: High Quality Heat Resistant Synthetic Fiber, Natural Looking Cap Size: 20"-22" There Are Two Adjustment Straps Inside The Wig, Can Be Adjusted To Fit Most Of The Heads Warm Tips: All Wigs Are Trimmed By Hand, Natural Appearance Design,So The Hairstyle May Go Slightly Difference From Different Batch, You Can Style This Wig Base On Your Need,It Can Bring You More Beautiful