DescriptionOur cupping is made from glass materials for long time use. Cupping therapy is a traditional Chinese medical veins and arteries therapy to relieve muscle and joint pain, improve blood circulation and boost lymphatic drainage for health care. Simple design ensures its easy use and provides comfortable massage for you.Features-Color: White -Material: Glass -Size: About 9.50X9.50X7.00cm/3.73X3.73X2.75inch - Made from glass, durable for a long time use. - Cups are placed on the skin to create suction in order to increase blood flow, activate lymphatic drainage. - Good penetrating effect and a big drawing strength, improve the muscle immunity. - Simple structure, strong adsorption, convenient and practical. - The thickened cupping is explosion-proof and safe to use.