Hand-tied Weft Virgin Hair is Made of Premium Human Hair. Soft, Breathable and Invisible. Hand-tied Weft is Sew in by Hands Carefully. It is Thinner than Virgin Machine Made Weft Bundles, So It Looks More Invisible and Natural. Since Hnad-tied Wefts are Not Allowed to Cut, So One Bundle is Light and Designed to Be Small Piece.