Cupping set is for cupping thereapy that is an ancient Chinese and Egyptian method of massage and it is the best deep tissue massage available. The suction pressure provided by vacuum cupping set can loosen muscles, encourage blood flow, and sedate the nervous system. Cupping therapy sets are used to relieve back, neck and leg pains, stiff muscles,relieve anxiety, fatigue, migrane, rheumatism and even cellulite. Cupping kit set include: 22 pieces plastic cups: 2.75"(Dia.)-4pcs,2.36"(Dia.)-4pcs,2.04"(Dia.)-4pcs,1.77"(Dia.)-4pcs,1.38"(Dia.)-3pcs,1.18"(Dia.)-3pcs Hand pump gun,extension tube, gua sha scraping tool and massage oil. CAUTION: Please clean skin and remove body hair before cupping. Excessive body hair will result in weak suction. Do not exert excessive force when attaching the extension tube to the cups. Pressing down too firmly will cause the extension tube to crack. **Not recommended for slide cupping massage. We are NOT responsible for damage to cups, which may result from slide cupping technique or any massage techniques. Cupping Sets include the the best quality Magnetic pointers with our cupping sets. Warranty: 6 months, please contact seller firstly if you meet any problems.