Description: 【High quality material】Diagonal Seam Tape is made of high quality paper material, which is durable and easy to tear. 【Functional items】Our Sewing Basting Tape is simply washi tape that is placed on the front plate of your sewing machine to act as a guide while you are sewing diagonal seams. 【Convenient design】Nice solution for sewing straight diagonal seams without having to marks lines, a stitch line in red with a seam allowance on either side. 【How to use】The red line in the center is aligned with the needle of your machine, and the lines on either side are 1/4 inch to each side from the center of the lines, to represent a 1/4 inch seam allowance, simply place the tape with the red line in front of the needle as the stitch line. 【Easy to remove】The tape removes cleanly, recommend removing or replacing the tape often or after each project to avoid any residue on your machine. Size Chart: widen 1.7cm/0.67inch total length 10m/393.70inch Package Includes: 1 Diagonal Seam Tape(4 Pack) Note: Please allow slightly errors due to manual measurement and different monitors.