Medi-Pak Performance Reusable Cold & Hot Compress. Large. 6.75 x 10-1/2. Can be used cold or hot; keep in the freezer or heat in the microwave. Stays flexible and molds to the patients body at all times, cold or hot. An excellent choice for ongoing treatments of interchanging cold or hot therapy used to reduce pain and promote the healing of injured tissue. Non-Toxic. Not made with natural rubber latex. Packaged: 24 Per Case.