The most popular yoga ring is designed according to the human body curve and is used for massage to relax muscles and strengthen fascia, improve posture and strengthen core. It works well with any bend in the human body and is effective for improving the accurate posture of the asana to improve the hump, curvature of the spine, and relieve back and leg pain Just not only can you tone the thighs, you can also lift the legs to tone the core and arms and develop stronger muscles in abs, legs, arms, chest, obliques and hips. Lightweight (ONLY 0.44 lb) and portable (9.45 * 5.12 * 2.76 inches) are ideal for travel, but also cannot take up much space. You can put it in your pocket, hide in the closet, or hang anywhere. It is ideal for training in the gym or when traveling. Perfect for everyone who wants to develop muscle strength, increase body awareness, improve endurance, balance and everyone else. Push yourself towards a stronger body without any extra equipment at home or in the gym. Whether you are working in the office or watching TV at home, it helps in strengthening the upper muscles to prevent or relieve pain. The ring strengthens and tones your body in just a few minutes a day and increases the effectiveness of the training Product Simple action demonstration: (detail picture) Foot / Calf Massage: Step forward and step on the yoga ring, push the ring down to relax the foot; Put on the convex side of the yoga ring. Naturally straighten your legs, let the calves touch the concave surface, swing to relax your legs. Pain Massage: A convex yoga ring is attached to the waist, a concave surface is attached to the hips and a left / right swivel allows the waist and pelvis to relax freely. Shoulder Massage: Place the yoga ring under the armpit with the concave side up and swivel the body left and right to massage the shoulder. Abdominal Massage: Flatten your feet and place the concave surface of the ring under your belly. Pivot your body left and right and massage your abs with your own weight. Back Massage: Attach 2 yoga rings with the shoulder blades perpendicular to the waist. Tip: If you feel too much pressure, you can use a towel as a pillow. It is recommended that you work together with your breathing while exercising. Specification: Size: 24 * 13 * 7CM / 9.45 * 5.12 * 2.76IN Weight: 0.2KG / 0.44lb / PCS Material: PVC