This vacuum suction cup can improve metabolism and blood circulation, improve organ function and promote collagen regeneration. It contains 6 cups to choose from, with different sizes, suitable for shoulder and back skin, massage the acupuncture points to make you feel comfortable. It can reduce swelling and pain, disperse cold and dampness, and regulate body balance effectively. The negative pressure of the cupping cup can be adjusted, the pump can be pressed according to your needs, which is free to control. It can be pressed according to demand, which is free to control. Your legs, belly, and butt will feel tighter, Cupping massage is able to smooth out fine lines and wrinkles over time.