Open chest wounds can cause more problems than just blood loss. That is why chest seals are an essential part of the modern first aid kit. The Twin Pack version includes two individually packed chest seals, so you can treat both the entry and exit wound with one package.
Bullet and blade wounds that go through the upper body can cause pneumothorax, which is one of the most lethal injuries on the battlefield. The chest seal is designed to relieve pressure in an open chest wound caused by air in the pleural cavity and to prevent air from going into the body.
Founded in 1982, H&H is an American company committed to developing a full line of military-grade, battle-tested emergency products that have revolutionized how life-threatening injuries are treated.