The basics Dritz Featherlite Boning provides shape and support to strapless garments such as bustiers, swimwear, theatrical costumes, evening wear, and soft toys.  The benefits Features a 1/2in poly/cotton covering over 1/4in boning.  The uses This boning can be sewn on by hand or machine.  The bottom line Machine washable, tumble dry and can be dry cleaned.