Boost Oxygen is 95% pure aviator's oxygen in lightweight, convenient, affordable canisters for personal use. Boost Oxygen is the most trusted and best-selling brand since 2007 and is unsurpassed in quality and purity. The patented mask is designed to maximize oxygen intake. Boost Oxygen's all-natural respiratory support is used worldwide by all ages for: Altitude acclimation, athletic performance, recovery, mental and physical fatigue, personal emergency/first aid kits and more. Canisters are made from recycled materials and are fully recyclable. Made in the USA. Help is Here!