Dr. Ho's® Regular Gel Pads are the ideal replacement pad for achieving a relating and soothing massage. The extra relaxation effects are ideal for all regular muscle areas to help relieve muscle tension, numbness, and pain. High-Quality & Reusable! These long-lasting and super conductive gel pads are specially designed to maximize the effects of your Pain Therapy System. Very importantly, these pads are hypoallergenic and can be used 70-100 times! Designed with a cloth backing, these pads adhere securely to muscles during a therapy session. Great For Shoulder & Leg Pain Dr. Ho's® Gel Pads can be placed on the shoulder and rotator cuff region to help alleviate shoulder pain caused by bad posture, sports, or injury. They can also be used on the legs to target problem areas. The gel pads provide effective temporary pain relief as well as muscle tightness and soreness relief. Effective For Wrist & Arm Pain If you're feeling pain, numbness, or soreness in the upper and lower arm region, the Dr. Ho's® Gel Pads can help to relieve your symptoms quickly and effectively. With many different placement opportunities, these gel pads provide relief for your whole arm. These pads are ideal for office workers, mechanics, teachers, nurses, or anyone experiencing frequent wrist and arm discomfort. A Dr. Ho's® T.E.N.S unit is required for operation. Can be used with Dr. Ho's® Pain Therapy System, Pain Therapy System Pro or Pain Therapy System 2-Pad. T.E.N.S unit sold separately here.