[Size] Tips: outer diameter 2.8cm inner diameter 1.9cm Medium: outer diameter 4.2cm inner diameter 3cm Large: outer diameter 5.2cm inner diameter 4cm [Easy to use] The suction is strong, and the absorption force required for each part can be controlled. The suction is strong, and the body operation can be clearly seen. You can enjoy professional body therapy every day without leaving home. [Features] The cupping device can relieve back, neck and leg pain by placing the cupping device on the acupuncture points of the body, which helps relax muscles, promote blood flow, improve blood circulation, lower blood pressure, calm the nervous system, and calm the nervous system. [Wide range of uses] Used on the face, neck, arms, legs and body. Those who can use it safely at home have greatly promoted people's use. Suitable for hospitals and homes, it is an ideal choice for health care products, and a gift for friends and relatives to respect the elderly.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store