Product information:Material: siliconeNumber of cupping: 4Color: translucentApplicable scene: health massage, fitness and bodyCup sizeThere are 4 sizes of cups, you can use the cup on any part of your body1 large mug with a diameter of 10.6 cm1 large cup with a diameter of7.6 cm1 medium cup with a diameter of 5.95 cm1 small bowl, 4.55 cm in diameterPacking list: 4 * silicone shell Helps to dredge the meridian, treat rheumatism, relieve fatigue, stimulate blood flow, lymph circulation, remove moisture, body shaping and so on. It's good for your health.Activate lymphatic system, detox your body, improve respiratory function, reduce hypertension.Simply create a vacuum with the cups and massage for up to 10 minutes to get radiant, healthy-looking skin.Made with High Grade Silicone, is soft and elastic with enough thickness for strength and suction.The design of the cups makes it easy to grab and push down to create the suction for treatment.