tape broken 20 mm, flat in cobalt colour Elastic tape with a special central crease - a fold that allows precise folding of the tape in half lengthwise. This feature makes it easier to hem the edges of fabrics with the tape. Nylon webbing with an elastic spandex insert. Flat elastic tapes, also commonly referred to as elastic bands, are tailoring accessories with multiple applications. They are used, among others, in the clothing, furniture, footwear, textile and medical industries.