1、HOW TO USE: The red line in the center is aligned with the needle of your machine, and the lines on either side are 1/4in to each side from the center of the lines, to represent a 1/4in seam allowance, simply place the tape with the red line in front of the needle as the stitch line 2、EASY TO REMOVE: The tape remove cleanly, recommend removing or replacing the tape often or after each project to avoid any residue on your machine 3、MAIN FUNCTION: Sewing basting tape is simply Japanese paper tape that is placed on the front plate of your sewing machine to act as a guide while you are sewing diagonal seams 4、CONVENIENT DESIGN: This is a nice solution for sewing straight diagonal seams without having to marks lines, a stitch line in red with a seam allowance on either side 5、PRACTICAL AND USEFUL: Diagonal seam tape is a very useful tool for quilting. Diagonal seams and straight lines help make the seams straight and symmetrical 1 x Diagonal Seam Tape Item Type: Diagonal Seam TapeSpecification: 1PcMaterial: PaperUse: Home UseApplicable Scene: Most scenes