InstaKool™ Instant Cold Pack delivers immediate cold therapy for first aid, providing comfort, and reducing swelling after an injury. This revolutionary formula is the first instant cold pack with national security and safety in mind. InstaKool™ is a urea-based formula that is ammonium nitrate-free and rivals the temperature ranges of previous cold packs. Exceeds American national standard, minimum requirements for workplace first aid kits and supplies, ANSI/ISEA Z308.1-2015. Insta-Kool™ is a safer and hazmat-free instant cold pack. The small pack is 5” x 6” and is perfect for sore muscles or small bumps and bruises. Buy this bulk pack of 80 cold packs and save!