Ergonomic Design: The most popular yoga ring is designed according to the human body curve, used used for massage to relax muscles and to help strengthen the fascia, improve posture, and strengthen the core. It works well with any bend of the human body and is effective to help accurate asana posture, helping to improve hunchback, spinal curvature and relieve back, leg pain. Multifunctional: Not only can you use it to tighten thighs, you can also do legs lifts to straighten core, and tone arms, develop stronger muscles in abs, legs, arms, chest, obliques and hips; Ideal for people suffering from disease pain, such as strengthening hip osteoporosis or hip abduction exercises. Small and Portable: Perfect for travel is Lightweight (ONLY 0.55 lb) and Portable(9.05*4.72*2.76 inches / 23*12*7 cm), also can't occupy much space. You can put into your bag, hide in the closet or hang it anywhere. It's excellent for taking to the workouts at home gym or when traveling. Any Age Group: Perfect for pregnant women and the elderly who want to develop muscular strength, increase body awareness, improve endurance, balance, correct posture, and anyone else with sub-health. Squeeze your way to a stronger body without having extra equipment at Home or at the gym. Easy to Use: Whether you work in the office or watch TV at home, it helps in strengthening upper your muscles to prevent or relieve pain. The ring strengthens and tones your body in only a few minutes each Day while increasing the effectiveness of training.