4/20Pcs Reusable Machine Replacement Electrode Pads Gel Body Massager Stickers 2.0MM Electrodes Pads Self-adhesive electrode pads: pre-gelated gel electrodes with ultra-thick conductive gels that do not require additional spectrum 360 electrode gels or conductive adhesive gels. Durable and flexible: The high-quality soft-touch white non-woven fabrics of these electrode stimulation pads are very durable, with perfect flexibility and comfort, can be bent to the contours of the body and around the joints, and can be treated with high-conductivity electric shock without irritating the skin Or bruise the skin. Easy to apply: Can be applied to any contour of the human body-conforms to your body for maximum pain relief. Package included:4Pcs/20Pcs Machine Electrode Pads, Depend On Your Choice.