Enhance your Pilates workout, These flexible rings with a soft foam cover and handles offer different levels of resistance for isometric exercises that will firm the muscles of the upper arms and inner thighs, Choose a resistance level appropriate to the exercise you, or your client, will be performing, Fiberglass ring with pliable foam cover and molded plastic handles, 15"" dia, Color: Purple, Picture show in Gray, SKU: PWSS291