ProSource The Resistance Ring enhances Pilates Workouts with Light Resistance to Help Tone and Strengthen Your Entire core and Body TOTAL BODY CONDITIONING  Designed to create gentle resistance for a variety of toning exercises for arms, legs & core IMPROVED FITNESS  Ideal for Pilates and improving balance & posture, strengthening core, increasing flexibility REHABILITATION - Great for users with diminished capacity or for rehab, as well as beginners to slowly build strength DURABLE DESIGN - Made out of steel and covered by durable rubber, the 14 ring withstands pressure and heavy use PADDED HANDLES - Soft foam handles are padded on both the inside and outside of the ring for a comfortable, firm grip