Dynarex 4512 Instant Cold Pack, 5" x 9", 24 Count, 8" Height, 9" Wide, 12" Length (Pack of 48) Go to amazon.com Related posts Top 10 instant ice packs bulk for 2022 FeatureActivates easily to provide instant ReliefProvides an anesthetic effectRelieves aches and painsContent: calcium ammonium nitrate DescriptionImmediate first aid treatment for contusions, sprains, abrasions and other minor injuries. ( 2 packs of 24 )