Prescription-strength relief without the pills The Signal Relief patch (4.5") contains microscopic particles that are arranged in an array and act as an antenna to divert signals of pain. One Signal Relief patch provides reusable drug-free relief for back aches, shoulder aches, hip soreness, and larger areas of general and ongoing discomfort for at least one full year, guaranteed. Benefits:  Reusable, drug-free relief Reduces pains in seconds Works on musculoskeletal pain Easy to apply anywhere on the body Decreases dependency on opioids  45-Day Money-Back Guarantee Clinically-tested for efficacy