Boost Oxygen is 95% Pure Supplemental Oxygen for all-natural respiratory support. Oxygen is the most important and immediate fuel source for the body and mind. The average Oxygen level in the air is 21%. Boost Oxygen provides nearly 5X the amount of Oxygen than the normal air. Convenient, Lightweight, Portable. Up to 200 One-Second Inhalations. Recyclable packaging. Aerobic Performance + Recharge and Recover. Altitude & Poor Air Quality. No aromas have been added to our Natural product. Oxygen Gas is essentially weightless. Full Pressurized Can is very LIGHT.