... /60HzPackage: 10*26*26cmGW/NW:1/0.5kgPrecautionsForbid for the heart diseases, people need cardiac pacemake or the ... hypertensive.Forbid for the people who have acute inflammation, deep vein ... thrombosis, strumous, asthma or cancer.Forbid for the people who have hemal blowout bleeding, a trauma ... tool needs to be properly placed. Derma Rolling System