TWIN PACK Contains two separately packaged vented chest seals each in a foil package that can be separated featuring the Ever Ready First Aid Quick Tear LATEX FREE 4VENT DESIGN Vented Chest seals should be used when an open chest injury occurs Chest seals work by closing the chest wall opening to keep collapsed lungs inflated The 4vent design is selfregulating to allow for the release of accumulated air or evacuation of blood and is effective in preventing the reentry of air and debris through the open chest wound LARGE RED TABONE STEP APPLICATION Simply hold the seal by the red tab peel away the protective plastic film and apply over the open wound for fast and effective results Each seal is approximately 66 square and has a large 125 tab for easy application and removal MEDICAL GRADE HYDROGEL ADHESIVE Creates a superior lasting seal even in extreme cold and heat The chest seal has transparent backing to allow for placement directly over the wound and easily conform to the patients chest The adhesive ensures a strong seal even when blood sweat hair sand and water are present Clean and dry the area around the wound as much as possible before applying the chest seal INDIVIDUAL FOIL POUCH WITH QUICK TEAR Each chest seal comes in a lightweight vacuum sealed puncture resistant package with our Quick Tear allowing for fast and easy access