●IMPROVE YOUR SLEEPING: Cupping Therapy helps to promote internal and outdoor healing by releasing endorphins ●Large cups are suitable for shoulders, back, stomach and some areas; and small ones are suitable for the head, surface, knees and some areas ●The massage cup can also exercise the muscles of your hands, you can prevent the elderly chronic disease, and is a great gift for people who work in the office, and can be used for calm, chores, work, exercise, travel etc ●It has high temperature resistance to capping, and has acid and alkali, and it is not easy to age; It has a high transparency, so it can be observed in the can after the skin changes