Double-fold bias tape has been folded in half and pressed with the double folds to the inside. There are two ways to sew on double-fold bias tape Double-fold bias tape is generally used to bind an edge, and is visible from the outside of a garment Bias binding is one of the most versatile and useful notions in the sewing room. In addition to being used to finish quilts, bias binding is excellent in apparel sewing as a facing for necklines and armholes, and in bias bound. Bias binding is a durable way to finish a quilt. With quilt binding, the warp and weft of the binding are running vertically and horizontally. SIZE / DIMENSION: 3 yds. L x 7/8" W Made of 50 percent polyester and 50 percent cotton material To attach the binding to the back of your quilt, re-fold the binding to the way it was folded in the package. It will naturally wrap itself around the quilt in the way it should lay. The middle crease will enclose the raw edges of your quilt as the other half of the binding wraps around to the back.