STOTT PILATES Fitness Circle Pro 12-Inch Ideal for those 5 Feet 4 Inches (162.5cm) and Under; Available in Black and Purple; Each sold separately 14-Inch Ideal for those over 5 Feet 4 Inches (162.5cm); Available in Black and Blue; Each sold seperately Versatile and portable Spring steel ring built to withstand continuous, high-intensity studio use Molded, latex-free Inner and outer foam grips for added comfort for the legs, ankles and hands Foam handles made from environmentally-friendly foam Molded latex-free grips