Rigilene Black Polyester 12mm Corset Boning By the Yard (M222.06) Sold by the yard. Easy-to-sew polyester boning specially created for giving shape and support to strapless garments, theatrical costumes, evening wear, beachwear, soft toys, and other structured textiles. Easy sewing on edges, down the centre, and across the boning by hand or by machine. Flexible, durable, and will not crack. Wash or dry clean without loss of stiffness. Combine with other items from our store for a shipping discount!