Product Details it is 100% human hair products, pre-taped skin weft. good tape and high quality hair Skin WeftThe is the latest Systerm becoming more and more popular in many countries. Unlike a standard weft that can be quite bulky at the seams, seam is micro thin and made to look the same as your own scalp because the hair is handknotted into a transparent PU band.The PU colors come in transparent or similar to the color of the hair, which giving you a much more natural finish to your hair extension The size of PU usually comes in 0.8cm×90cm.It means the width of the PU band is 0.8cm and the length of PU is 90cm.. Hair material: human remy hair or human non-remy hair, indian human hair. Apply method: Put double-side on the Pu band and then stick to the original hair.