Prosource Fit Yoga Wheel Prop 12&rdquo; for Improving Yoga Poses & Backbends, Flexibility, Balance, Stretching, Relaxation, Black/White STRETCH & RELEASE  Wheel design helps open up back, chest, and hips to release tight muscles and improve flexibility ENHANCED YOGA PERFORMANCE  Helps perform challenging backbend & balance moves. Take your practice to the next level! COMFORT & SUPPORT  A strong interior offers sturdy durability, with  cush-ion for comfortable support in stretches IDEAL SIZE  12 diameter by 5 width is the perfect size for back support, stabil-ity in balance poses, and easy carrying LIFETIME WARRANTY  We believe in the high quality of our wheel, so we offer a limited lifetime warranty guarantee