Dynarex - Instant Cold Pack Dynarex® General Purpose One Size Fits Most 5 X 9 Inch Plastic / Calcium Ammonium Nitrate / Water Disposable [24/CS]

Experience immediate relief with this versatile cold pack, designed to minimize swelling and discomfort on contact. The 5 x 9 inch pack is filled with calcium ammonium nitrate and water, creating an efficient cooling effect once activated. Its disposable nature ensures a hygienic and hassle-free experience, making it ideal for first aid kits, sports bags, and travel essentials.