The plastic cups are thick walled, crystal clear and will not crack or chip. Their valve mechanism is simple and reliable. The ergonomic hand pump is powerful and functions smoothly.Each cup is incorporated with a removable spring-loaded magnetic probe, to enhance local circulation and provide an acupressure effect.IncludesHand pumpPump extension tubeSturdy vinyl carry case45mm cup x1340mm cup x135mm cup x130mm cup x125mm cup x1Manufactured in Korea and assembled in USA.Compatible with:45mm Cup (product code: CUPP0002)40mm Cup (product code: CUPP0003)35mm Cup (product code: CUPP0004)30mm Cup (product code: CUPP0005)25mm Cup (product code: CUPP0006)Disposable Cup Insert (product code: CUPP0012)Pistol Pump with Handle (product code: CUPP0026) Specifications: Name Plastic Cupping Set - Cupping Therapy - USA Additional description Magnetic attachments included