【Safe Silicone Material】The DIKAKO cupping therapy cup will put the customer's skin safety in the first place, all made of skin-friendly silicone, with greater suction power and durability. There is no need to touch open flames or power on during the use of the product. 【Easy to Use】Cups Size: Width x Height: XL (3.93”x2.95”), L(2.95”x2.16”), M(2.36”x1.77”), S (1.85”x1.37”). 4 different sizes of cups are suitable for shoulders, back, waist, arms and other body parts. Use each treatment area for 5-15 minutes, 3-5 times a week. 【Easy to Clean】When using the silicone massage cup for the first time, it is recommended to soak it in warm soapy water for 3 minutes, then wash and dry it. After each use, you can simply wash it with warm soapy water and let it air dry. 【Benefits of Cupping】Cupping therapy massage can be used as an auxiliary means to release fascial adhesions, promote blood circulation, and improve lymphatic movement. Help relax the body and mind, relieve long-term stress and mental fatigue. 【Service Upgrade】DIKAKO Cupping Therapy Sets are the choice for relaxation, very suitable as gifts for yourself, family and friends. If you have any questions about the product, we will try our best to provide you with a satisfactory solution.