Achieve precise diagonal seams every time with Diagonal Seam Tape. This wash-style tape is marked with three clear guidelines, including a stitch line in red and a 0.25" seam allowance on either side, making it easy to stitch diagonal seams accurately without the need for marks or special rulers. Simply apply the tape in front of the feed dogs of your sewing machine and start stitching. This package includes one 10-yard roll of Diagonal Seam Tape, making it a must-have for any sewing enthusiast looking to achieve perfect diagonal seams.