Thera-Temp Microwaveable Moist Heat Wrap - UniversalPolar microwaveable moist heat packs contain all natural, non-organic, odor free therapeutic beads, which will not deteriorate or develop an odor with repeated use. Soft fleece gives a luxurious feel on the skin side and an insulated outer fabric with vapor barrier directs the moisture toward the skin. All wraps include a 3" x 27" elastic hook & loop belt to hold them comfortably on the body. Therapy for the back, abdomen, muscle aches and more! 10" x 12" Pack.