SOFT AND SUPPORTIVE, COMFORTABLE TO WEAR 3 mm Neoprene Knee Braces to fit the Left and Right Knee. Attaches to a chest harness to secure the braces in place.These Braces support and stabilize KNEE injuries, luxating patella and arthritis in older pets. Can be worn during exercise or any daily activity. These braces are extremely comfortable and veterinary recommended to heal knee injuries comfortably and add support to tired knees due to arthritis. Refer to the sizing guide and measurement chart below.