... top quality 100% human hair wave thin skin hair piece Hair material100% Indian human hair, Chinese human hair,Brazilian human hair etcHair length4-26 inches ... Base styleFrench lace, Swiss lace, Fine mono, Thin Skin PU and many kinds of lace for customer choiceLace ... colortransparent, light brown, medium brown, dark brown, and black etc.Knots Single knot, double knots, ...