Interfacing Stretch-stop tape, 4 rolls Please check the thickness in the photos. 5mm, 8mm 12mm 100% Polyester Polyester 65% Cotton 35%, etc. A versatile type that can be used for a wide range of materials, from thin to thick. Suitable for making blouses, dresses, jackets, coats, etc. It has moderate stretch, and can be used not only for straight lines but also for curves, and is also ideal for sheer and stretch materials! Zipper openings Pocket openings, front plackets, and other straight parts. Necklines, armholes, zippers etc. are ideal.