Don’t let knee pain sideline you! With this flexible knee wrap, you can apply hot or cold therapy right where it’s needed¬—and keep your mobility, too. Adjusts for a custom fit, holding a reusable 10" l x 8" w hot/cold gel pack in place. Copper-infused to prevent odor. Polyester outer, rubber core, polyester/spandex inner; hand wash. One size fits most.