Our arm compression sleeve is infused with contact-activated medicine, delivering an optimal dose of relief into your skin to combat pain at the source. The long-lasting medicine plus compressive support is a first-of-its-kind treatment for ailments such as tennis elbow and hyperextension. The arm compression sleeve is reusable, and the medicine lasts for 15+ washes. Even after the medicine in the sleeve has dissipated, the arm sleeve still offers beneficial compression.