Vilene Seam Tape for Stretch Fabrics
Lightweight, bi-elastic, bias-cut, fusible woven tape. Perfect for seams in soft, elastic fabrics (e.g. jersey), prevents warping and fraying. Can easily be applied to curved shapes. Washable at 40 degrees centigrade, moderate iron, dry cleanable.
Put it into the desired shape step by step and press on the iron for about 8 seconds. Do not push.