The MediBeads Arthritis Joint Wrap is an easy to pull on soft sleeve designed to provide relief to sore knees, ankles and elbows. Designed to work without restricting movement, the wrap can be worn while doing range of motion exercises or while relaxing. The MediBeads Arthritis Joint Wrap sleeve surrounds larger arthritic joints, and the stretch fabric permits easy application. Microwavable wrap produces therapeutic "clean moist heat" to ease arthritis pain or to simply warm cold hands, and can also be used for cold therapy by freezing before use. The MediBeads Arthritis Joint Wrap measures 6 inches long, 8 inches wide. MediBeads safely delivers a clean moist 20 minute heat treatment when microwaved for only 60 seconds. MediBeads take their moisture from the air, so it is not necessary to add water. Medical professionals recommend moist heat because it penetrates deeply and quickly to increase blood flow to reduce pain and relax muscles. Alternatively, Medibeads can be put in the freezer to provide cold therapy when it is desired. Medibeads Instructions MediBeads Arthritis Joint Wrap Specifications: Measure: 6 inches wide, 8 inches long. Care Instructions: Hand wash in a mild detergent and allow to air dry 24 hours. Material: Non-toxic and latex free. Made in: USA.