Function: 1. EXCELLENT SEALING: The chest wound dressing provides high sealing strength, ensuring an excellent sealing effect in harsh environments. 2. REASONABLE DESIGN: 3 ventilation channels can prevent external airflow from entering the chest during inhalation and allow air to flow during exhalation. 3. WIDELY USED: Chest seal is a good ideal for emergency doctor, police, outdoor adventure enthusiasts, suitable for travel, camping, outdoor adventures. 4. EASY TO USE: Clean and dry the wound. Remove the protective layer from the adhesive coated surface. Place the dressing on the patient with the adhesive side to the bottom. Firmly press the dressing against the skin to ensure occlusive tightness. 5. EASY PEEL OFF: The self-adhesive chest wound dressing can be easily removed and leaves no marks on the skin, which is skin-friendly. Specification: Item Type: Vent Chest Seal Material: ABS List of packages: 1 x Vent Chest Seal