PAIN RELIEF Back Pain Muscle Pain and Stiffness Joint Stiffness Strains and Sprains BENEFITS ACTIVATES FROM 60 SECONDS so you can Get Back in the Game! SUSTAINED lasts for up to 8 hours. ODOURLESS discreet relief great for work or social occasions. EXTRA-LARGE SIZE 26.5cm x 9.5cm that can be used for large muscle groups or joints. COMFORTABLE - thin, self-adhesive patch with a size and shape designed for comfort. EFFECTIVE PAIN RELIEF - works by increasing blood flow to the affected area providing more oxygen and nutrients to aid the healing process and helps restore movement.