100% Chinese hair skin weft hair with double side tape: 40gram/pack, 20pcs/pack, 4x0.9cm/pc Hair color: #6 Straight hair ---------------------------------------------------------------------- Skin Weft are made of 100% human hair, the best quality, tangle free, no color fade. They can come in straight hair style in different colors and lenghts. Skin weft made by hand-knotted to very thin and transparent PU (Poly-urethan coating) with 100% remy human hair.PU refers to the type of material that hair strands are sewn onto. Unlike a cloth material, which can be itchy to those with sensitive scalps, PU material is a thin gauze-like, nearly transparent material which is much more comfortable to the touch. Hair strands are attached by hand-knotting them to this material, one strand at a time.Hair Colors:#1.#1B.#2.#4.#6...#27.#613...When compared with machine weft, it has the following advantages: Any styles for wearing PU weft is like human skin, it is very soft, transparent, clear. It is not easy to recognize when worn on head. So skin weft hair is like you own hair. Not short hair Because skin weft made by handwork. Short hair will be removed when producing. So it has the best hair ratio. Easy wearing and removing Adhesive tape will be used to adhere skin weft to human head.