Deep penetrating pain relief Relieves immediately and lasts for hours Washable and reusable New Proven Pain Relief for Back Pain, Shoulder, Muscle Aches, Arthritis, and CrampsNo Waiting, No Wires, No Water, No Mess Perfect for Back, Hip, Thigh, Shoulder, Abdomen Thermalon Sleeves provide effective, safe, "clean" moist heat and cold therapy. No electric wires, boiling water or leaky plastic gel packs. Hand washable No added water needed Odor free Easy to apply - no covers or elastic straps Use directly from freezer or microwave 100% non-toxic - contains no harsh chemicals, latex or vinyl Moist Heat Treatments: Moist Head is recommended by doctors and therapists because it immediately carry deeper, more penetrating therapy. It increases circulation in the treated area, flushing away chemicals that cause pain. This act to restore sore muscles and joints to a more natural and pain-free state.Thermal Sleeves are a new and innovative way to experience the same pain relieving Moist Heat treatments used in clinics and hospitals. The timed-released therapeutic treatment lasts for up to thirty minutes... simply microwave and apply Cold Therapy Treatments: Applying Cold slows circulation: reducing inflammation, muscle spasm and pain. For best results, apply cold at regular intervals for no longer than thirty minutes, allowing a few hours between treatments. For injuries apply cold as soon as possible. After the first 72 hours apply moist heat intermittingly until injury has healed.Thermal Sleeves deliver effective Cold Therapy treatments within medically prescribed time and temperature ranges. When used as directed, there is no danger of frostbite or tissue damage. Thermalon Sleeves are soft and conforming when frozen so application is easy. With Thermalon Sleeves there is no water condensation, leaking or drippy mess.Size: 7" x 12" Advanced Medibeads Technology - Washable, Reusable & Odor-Free Clean, Deep-Penetrating Moist Heat in Minutes Medibeads draw moisture from the air and release it as clean, deep-penetrating moist heat when microwaved... no need to ever add water One Year Warranty (see box for details). Suggested Use: Complete instructions inside package. Always consult your doctor, pharmacist or therapist about your source of pain and appropriate treatments. UPC: 041533243120 Weight: 0.88 lbs