YNAK Seam Tape This is seam tape for repairing tents, backpacks, tarps, and rainwear. This is sold by the 5m unit. Width: 20mm Thickness: Approximately 0.11mm Length: 5m The 5m of seam tape will be wrapped around cardboard and shipped. If you need more than 5m, please order in increments of 5m. *The side to be ironed is the front, and the adhesive side is the back. We will write a note to make it easier to identify. We apologize, but an instruction sheet is not included, so please refer to the photos. Manufacturer's Description: Polyurethane iron-on, transparent seam tape / Suitable for PVC and urethane-coated fabrics. Can be used for repairing tents, backpacks, sheets, rainwear, etc., and for preventing water leakage from seams. This tape can be used on PU-coated/PVC-coated fabrics such as tent linings and 2-layer rainwear. Please use tricot tape for 3-layer rainwear and 2.5-layer specific tape for 2.5-layer rainwear.