to locate the required first aid item 26 the base 23 made comprise the same material as the remainder of the first aid pouch or may comprise a different material first aid pouch 20 is typically composed from plastic that forms a bag 24 over first aid items 26 and base 23 once all the desired contents are placed within bag 24 the pouch is vacuum sealed to reduce the overall thickness and bulk of the first aid pouch 20 as depicted in fig7 ideally thickness 27 of first aid pouch 20 is between about 0 2 and 1 0 inches with the front first aid kit pouch ideally being between about 0 2 and 0 4 inches or less and the back first aid pouch being between about 0 2 and 0 04 inches or less bag 24 is typically constructed of clear plastic film to allow the user to view the contents however any plastic film such as a reflective film mylar u00ae or a tinted film would be acceptable as long as it is capable of being vacuum sealed reflective film such as mylar u00ae could potentially offer an additional thermal barrier to the wearer and act as an ad hoc heat shield to aid with hypothermia as such films typically reflect heat and light in the infrared spectrum front u201c self aid u201d and rear u201c buddy aid u201d kits can contain similar or different first aid supplies based on the expected mission and conditions typically a front first aid kit could contain combat gauze s fold dressings kerlix cotton gauze s fold dressings a halo dressing a 14 g iv catheter gloves npa adjustable airway pills dosage information tactical casualty combat care tccc.