Description: Silicone MaterialThe cupping made of silicone, with greater suction power and durability. Strong Suction: Unlike other massage cups in the market, this unique designed cupping sets are to adhesive on the skin with an ergonomics handle.Easy to Use3 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 CleanWhen using the silicone massage cup for the first time, it is recommended to soak it in warm soap water for 3 minutes, then wash and dry it. After each use, you can simply wash it with warm soap water and let it air dry. Strong Suction Unique Design: It is the good choice for professional massage therapists and families. It has greater suction power. The 3 size cups are suitable for shoulders, back, and waist. Arms, legs, and legs, etc. Specification: Material: Silicone Size Chart: Outer Diameter: 8cm/3.15inch, Height: 6cm/2.36inchOuter Diameter: 6cm/2.36inch,Height: 4.8cm/1.89inchOuter Diameter: 4.5cm/1.77inch,Height:3.2cm/1.26inch Package Includes: 3Silicone Professional Cupping Set Note: Please allow slightly errors 1-2cm differences due to manual measurement.