Instant ice pack, PRIMA, 15x23cm

Instant ice pack, for external use, sizes: 15x23cm, which is made of ammonium nitrate and water. Characteristics: - Takes the local pain away; - Keeps cold injured area for about 20 minutes depending on outside temperature, reaching a temperature of 5.5˚C. Instructions of use: Press on the inside water bubble until the breaking. Then shake the bag in order to mix the content and water. Apply the bag on the interested area.