1.Adopt cupping therapy to promote blood circulation and expel the cold and dampness compatible with daily health care. 2.Flexible thickened PVC cups can be efcompatible withtlessly squeezed to achieve better vacuum effect instantly, durable compatible with long time use. 3.Detachable and removable design makes cleaning a breeze compatible with enhanced hygiene, also save your space compatible with storage convenience. 4.High quality glass enables smooth edge and delicate workmanship compatible with improved cupping comcompatible witht without hurting your skin. 5.Totally 4 size variations to treat different body parts with secure placement, flexible to use according to your demands. SpecificationsMaterial: PVC+Glass Height(With Ball): 95mm Package: 1 Set of 4 Cupping Cups