Size of Hemming Tape: Our hem tape is 20mm in width and each roll is 70 Yards (approx. 64m) in length, 2 rolls of iron on hem tape, total 140 Yards , long enough for your basic home sewing need, crafts, etc. Easy to Use: Flatten the clothes, cut a piece of tape and place the tape between 2 pieces of fabric , then iron on the fabrics, sew the tying tape to securely bond the fabrics that can be steam pressed Sewing Aids: These hem tapes provide home and office professionals crafts handy and innovative ways to finish projects neatly and elegantly without the need for bobbin threads and needles Wide Uses: This self-adhesive tape can be used in a variety of fabrics such as such as jeans, skirts, dresses, pants, clothes, shoes, bags, curtains, car seats etc Important: Temperature: 125~145C; about 10-14 seconds iron several times. Do not touch tape the hem directly with the iron to prevent it from sticking to the iron