Specification:1) Hair material: European hair,Website:http://www.popwigsfactory.com,Brazilian hair,Mongolian hair,Chinese hair.2) Wig hair length:12''-30'' available.3) Hair color: All colors as customer required.4) Hair density: 100%-150% 5) Cap material: Swiss lace,mono,skin top etc.6) Cap material color: Light, Dark & Black Brown and transparent etc. 7) Knot: Single flat knot, double flat knot, ...