... C1x8,C1x14,C1x10,C1x16,C1x24,red case's product. The vacuum cupping jars can form a negative pressure through the skin, it ... blood circulation and healing bruises and swelling pain etc.The Vacuum Cupping Jars’ SizeCupping jar name$A$BHONo.C162mm59mm57mmNo.C254mm51mm54mmNo.C338mm35mm48mmNo.C428mm25mm45mmNo ...