The back wheel is great for improving balance while leaning into challenging backbends. The durable, ABS polymer plastic is able to withstand considerable stress and tension. Soft padded exterior cushion with non-slip exterior surface are easy-to-clean and sweat-resistant. Stretch and open up your chest, spine, back, hips and shoulders to find your body balance and inner peace. Support your back when you do Yoga at home. Enjoy the amazing feeling as it messages and relaxes your back through the rolling motion along the length of your spine in a safe effective way.Advantage of Yoga Wheel Exercise Wheel Pilates Ring Fitness Circle:1.Exercise long-term with fitness assisted yoga circle help you open your shoulders, chest and abdomen and pelvis, and make the spine to fully extend to promote the relaxation of the entire body.2.Yoga wheel help to stretch ligaments, shoulder massage relax. It is mimics the curve of the back of the human body and fits the physiological curvature of the spine.3.Fitness yoga circle is aids tools for beginners. It is helpful for beginners when stretching limbs are not available.4.With massage stretching wheel help correct the posture and enhance balance effectively.5.Use massage stretching wheel help to improve flexibility.