Dynarex Instant Cold Packs are flexible and conform to the contours of the body, activating with a single squeeze. These Cold Pack provide instant cold therapy for minor injuries, making them ideal for first aid kits, sporting events, schools, and home use. Easy activation of packs, offering immediate relief to injured area No refrigeration needed Flexible material conforms to body contours Ideal for minor sprains, burns, nosebleeds, and headaches Reduces swelling Non-Toxic