The Pac-Kit Cold Packs - 80 Per Case is a large quantity of pain relievers that are great to have around a school, clinic, or office/jobsite. These disposable packs turn cold instantly to reduce the pain and swelling caused by sprains, strains, contusions, minor burns, toothaches, and insect bites. Cardboard case measures 15.4L x 6.8W x 11.3H inches and contains 80 single use packs of urea and water. Pac-Kit Pac-Kit is the first and oldest brand name of unitized first aid kits. The kits story begins in the late 1800s when The Burroughs Wellcome medical manufacturing company began packaging medications and dressings in small cases for use in the field. These medical kits were used by the likes of Admiral Peary and Theodore Roosevelt, and with such great men carrying this product the word of its quality spread fast