Cupping therapy - Cupping therapy is an ancient Chinese massage method that can relieve back, neck and leg pain, muscle stiffness, relieve anxiety, fatigue, etc.High quality material - made of high quality thick glass, transparent, high definition, thick, convenient and durableMulti-size cupping - cupping set includes 14 pcs glass cupping, 2 small blue silicone cupping, alcohol lamp, tweezers, plastic scraper, cotton swab and other tools.Note: Red or purple skin reactions will occur after cupping treatment. Dont worry, these bruises are usually painless and disappear within a few days after treatment. Please keep warm after cupping treatment.Anti-slip design: There are frosted fingerprints on the glass cupping surface, which makes it easier for you to grasp the cupping and prevent slipping. Fire cuppingProduct size:Dimensions-2 cups with an outer diameter of 3.8 cm, 2 cups with an outer diameter of 4.5 cm, 4 cups with an outer diameter of 5.6 cm, 4 cups with an outer diameter of 6.6 cm, and 2 cups with an outer diameter of 7 cm.