Uni Patch™ Hot Cold Therapy Pack, 5 x 10½ Inch, 1 Case of 12 Exercise & Physical Therapy Knee Hi * Classic Black Instrument Accessories Knee Hi * Classic Black * 30 40 mmHg * X Large (Full Calf) * Ankle Circ 12 14 Calf Circumference 18 24 * Beautifully sheer hosiery Durable long lasting * Sandalfoot styling * Gradient compression for relief and prevention of venous disease * Therapeutically effective sheer lightweight and fashionable * gram+ and fungi yeast microorganisms including MRSA (methicillin resistant staphylococcus aureus) and VRE (vancomycin resistant enterococcus) Can be used as cold therapy when motion is limited by pain: Cold reduces blood flow to the affected area and controls inflammation Can be used as hot therapy when motion is limited by stiffness: Heat increases blood flow to the affected area and improves range of motion