Our reusable heat packs wraps mold comfortably to the body providing effective and deep-penetrating moist heat therapy. Wraps are designed with soft luxurious fleese on the side nearest the skin and an insulated fabric with vapor barrier on the outside to direct the moisture and heat toward the body. PROFESSIONAL QUALITY: Our reusable heat packs use therapeutic non-organic no odor mineral beads that collect and hold moisture from humidity in the air. No water needs to be added! Thera-Temp Moist Heat wraps are superior to other wraps made with flax seed or rice because they will never break down decay or develop an odor! THERAPUTIC PAIN RELIEF: reusable heat packs Commonly used for relief of chronic pain. Offers relief from arthritis and rheumatic pain muscle strains and spasms and more! Great for facilitating muscle relaxation or to warm up your muscles before activity. FSA & HAS Approved. ELASTIC BELT INCLUDED:  reusable heat packs Polar Products Thera-Temp Most Heat wraps are easy to secure to the target body part with included elastic and velcro belts. "USA LOCAL WARRANTY: Proudly designed engineered tested and manufactured in Stwo Ohio USA. Our customer service is located at our factory in Stow Ohio and we answer our phones! Our 12-month manufacturers warranty and customer service-oriented focus makes the Polar reusable heat packs a worry-free purchase! We stand behind our product 100% and in the rare chance you experience an issue we will do whatever is necessary to make it right. reusable heat packs