This is Ovigor portable canned oxygen, a small handheld can made for short-term supplemental use. It is light enough to carry in a bag or pocket, which makes it handy for travel, outdoor trips, or keeping in an emergency kit. The can is ready to use, with a valve and nozzle that are activated when needed. It comes individually sealed and should be used as the manufacturer's instructions describe. It is not a substitute for medical oxygen or emergency care, so anyone with breathing difficulty should see a doctor first. Keep the can away from fire, smoking, and direct sunlight. Small and lightweight, fits in a bag or pocket Ready to use with a valve and nozzle Individually sealed pack Suited for travel, outdoor use, and emergency kits