KoolClam is the "ONLY" portable multi therapy pack that stores your healing temperatures for use throughout your day and night. Strap system allows use almost anywhere on the body, keeping in place for mobility. Keeps HOT or COLD treatment for hours to be used throughout the day or night. Easy to fill with ICE, COLD WATER, or MICROWAVEABLE to reheat without refilling. Supplied ice/hot water bladder is swap-able with almost any GEL PACK or ICE PACK of similar size, 6" to 8" round, oval, even square. Portable ALL-IN-ONE design to carry with ease while looking smart and sleek.