A Soft Flexible Dome That Can Be Easily Squeezed Around The Nose Mouth And Chin Of The Victim A Standard 15 Mm Port That Can Be Used With Bag-mask Resuscitation Units Or Aerosol Tubing A Compact Mask Valve With Quick Two-piece Assembly Features Elastic Strap Latex-free Fully Assembled - Ready To Use Features Mask With O2 Inlet One Way Valve Filter Head Strap And Gloves One-way Valve And Filter Prevents Backflow Of Air Contaminants From Patient To Rescuer