ProActive Self-Adhesive ElectrodesFor use with most TENS and muscle electro stimulators Flexible cloth backing allows the electrode to easily and durably conform to all body surfaces Pre wired and pre gelled for easy and convenient application Long lasting, hypo allergenic gel keeps skin soft Rounded edges for prevention of electrode curl up Anchored pigtail prevents wire pull out and increases usage life Available in a variety of shapes and sizes for application to multiple treatment