No pre-chilling required.
Temporarily relieves minor pain and swelling for sprains, aches and sore joints. First Aid Only B-503 Instant Cold Compress, 5 Compress/Pack, 4" x 5" First aid only b-503 instant cold compress, 5 compress/pack, 4" x 5" instant cold compress refill for ansi-compliant first aid kit.. Width: 5"; depth: 4"; number of pieces: 5.