Combination Therapy: Hot and Cold * * Fully flexible for continued mobility and comfort * Elastic straps provide gentle compression and secure positioning * Remains cold long enough to provide therapy while allowing you to remain active * Convenient size for a painful back abdomen or hip * Patented natural crystal fill for maximum moisture with no allergens - Fill will not decay develop unpleasant odors or support the growth of mold and bacteria Cold * One 9 x 20 MaxCOMFORT? wrap * Three reusable 6 x 9: Ice It!� gel packs * One elastic strap (detachable) Hot * One 12 x 16 microwavable moist heat pack * One elastic strap (detachable)