The First Aid Only Instant Cold Compress temporarily relieves minor pain, aches, and sore joints. The cold component of this compress works with the body to alleviate and reduce the amount of swelling after an injury. The 4"x 5" instant cold compress requires absolutely no pre-chilling so it can easily travel with you to sports activities, camping trips, hiking, car, or even home. Within seconds feel the relief you need and deserve from the instant cold compress in virtually any cool and dry location. Purchase the First Aid Only Instant Cold Compress from Active Forever!