The 13x4 lace front wig is constituted by half-tied lace and half machine-made wig cap. It is placed at the front of the head. The 100% virgin hair is knotted in to the lace hole on the lace part and sewed on the machine-made wig cap. The size of the 13X4 lace frontal closure is 13-inches across and 4-inch back.Compared to the price of 13x6 lace wig is more advantageous.