The boning is used for the stabilization and shaping of corsages, skirts, bags, petticoats and hats. The core of the 11 mm wide strip is formed by eight thin polypropylene rods, which lie flat next to each other in a row. The covering is made of a white polyamide fabric. This gives the boning its flat shape and the necessary stability to keep tight corsets in shape. In the Prym range, the tape is available in a cassette with a length of 50 m. It is washable up to 60 degrees.