1.This silicone cup comes in 3 size combinations, with a Large cup diameter of 2.9 inches, a Medium cup of 2.4 inches, and a Small cup of 1.7 inches. It can be used to relieve pain in the shoulders, back, waist, arms, and legs. Long term use can improve athletic performance, recovery, and mobility, relieve joint and muscle pain, spasms, and more. This massage cup set can meet all your needs. 2.This cupping set is suitable for both professional massage therapists and ordinary home users. The massage cups have a wide range of applications and can bring you effective results such as firming and toning, weight loss, reduction of stretch marks, and fat lumps. Cupping is more effective than traditional manual massage, muscle massage rollers, and shock waves for fascia and fat block treatments. 3.Our silicone cupping kit is compact and portable, making it your travel companion. Whether you're at home or traveling, you can enjoy a healing experience without worrying about muscle tension. 4.We care about your skin and its effectiveness. Unlike other cups that look similar, our cupping kit is durable, elastic, easy to use, and has a longer lifespan. The massage cup is made of the highest quality silicone and does not contain any harmful ingredients to the skin. This is a clean, transparent, and impurity massage cup.