PU weft wig: Skin weft is hair of the most convenient, simple, and speedy way for extension. It’s hand made on very thin mono-mesh based (with Poly-Urethane coating). The width of one strip is 0.8cm; the each piece is 90cm long. The hair length is from 8 to 28 inches. It’s Smooth and soft, without any bumps when it is finished, undetectable when you apply this wig.