1.Reliable and durable: Made of safety material, this seam diagonal seam tape is environmental friendly and can withstand repeated washing and ironing. It is a paper tape that does not leave any stain on your fabric. 2.Convenient and practical: This seam diagonal seam tape is easy to use and saves you time and effort. You can simply stick it on the fabric and sew along the red, black or blue wires that act as a guide in front of the sewing machine. 3.No trace: This seam diagonal seam tape is easy to remove and replace, leaving no residual stains or traces on your fabric. Tape removed clean and smooth, making your sewing work more convenient and neat. 4.Sew Straight Diagonal Seams: With this wonderful design, you can easily sew diagonal seams without marking them. It helps you achieve perfect quarter-inch seams and save time and fabric. 5.No need to mark : With seam allowances on both sides, this seam diagonal seam tape helps you sew straight diagonal seams without the need to mark any lines. Just align the fabric edges with the tape and sew. Make perfect diagonal seams with these safety material tapes. Guided by red, black and blue wires, you can align your fabric easily and accurately. The tapes are easy to remove and leave no stains. With a wonderful design and seam allowances on both sides, these tapes are a must-have for quilters and sewers. Specifications: 10 meters per roll Colour:White Material:Paper Package Contents: 4 x Diagonal Seam Tapes Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.