Made of 100% worsted wool. Intercellular weave can absorb up to 13 times its own weight of the scientifically formulated cooling gel in which it is soaked. Stabilizes the patient and helps prepare for transport to a burn center or ER. Immediately upon contact, the biodegradable, bacteriostatic and water-soluble gel begins to extinguish flames, cool the burn and help stop burn progression and pain. Vital in areas where high heat flames, arc flash, hot liquid, steam or chemicals exist. Can also put out fires and protect a rescuer from heat and flames. Easy-lock mechanism keeps blanket securely inside canister. Grip and Turn lid allows simple, quick opening. Used by EMS, fire fighters, utility companies and the military.