OMRON ElectroTherapy Pain Relief Long Life Pads, Large (2 ct.) are soft, durable pads that work exclusively with the OMRON ElectroTherapy Device. They gently adhere to the skin and contour around all areas of the body (including elbows and knees) for fast, comfortable relief. Reuse these pre-gelled, self-stick pads 150 times or up to five months. The larger pads are helpful for back, hip or thigh pain, areas that previously required multiple sessions. Take your health to the next level with guaranteed HSA eligible Pain Relief products.