Our 5" x 6" COOL instant cold packs feature instant activation & are great for applying cold to injured areas. Learn more about our single-use cold packs! COOL instant cold packs deliver immediate cold therapy for first aid, providing comfort and reducing swelling after an injury. They feature instant activation and do not need to be stored in a freezer beforehand. Our single-use cold packs are not a reusable item and should be disposed of afterward. They are environmentally friendly, being latex and Haz-Mat-free. Single-use cold packs’ urea-based formula is ammonium nitrate-free and exceeds American national standard minimum requirements for workplace first aid kits
. Additionally, we do not enforce any shipping restrictions, meaning this product is shippable by air, land and sea.