First Aid Only Instant Cold Pack, 4" x 5"

Single use instant cold pack. activates easily to provide instant relief. provides an anesthetic effect which relieves aches and pains. active ingredients urea, water. the cold pack measures 4" x 5" and is packed in a unitized box refill that fits well into first aid kits. sold as unit of 1. perfect for standalone first aid or as a refill for a kit.