Burn Shield emergency burn care dressings are a hydogel trauma dressing used to cool and reduce the pain of skin burns.Burnshield first aid dressings are saturated with a tea tree oil and purified water solution to cool burns instantly while providing protection against infection and minimizing skin trauma.Sterile, burn dressings packed and sold individually. Dressing measures 4 x 4 inch, sold each. Use to comply with ANSI Z308.1-2015 standard for required first aid supplies in a first aid kit.