• Relief of muscle pain, inflammation, bruising and sports injuries through thermal therapy. • Versatile design with adjustable nylon straps suitable for knees, ankles, wrists, neck and back. • Includes 2 reusable gel packs of 10.6 x 4.7 inches with soft velvet fabric. • Medical grade gel that maintains its flexibility and elasticity even after freezing. • Dual function: suitable for cold use via freezer and hot use via microwave.