Oxygen Plus O+ Biggi 9-Pack

" Includes nine (9) O+ Biggi disposable oxygen canisters with an ergonomically-designed breathing mask that delivers oxygen to your mouth with the press of a trigger. Each O+ Biggi contains more than 180 breaths (7L) of pure recreational oxygen for natural energy and recovery. Ideal for adjusting to altitude, recovering from a late night out, and enhancing energy, performance and recovery in active individual and team sports like hockey, football and soccer. How to use: Place mask to mouth and press the trigger as you breath. Inhale 3 to 5 breaths - or as much as you need - for energy and recovery. Designed, quality-controlled and filled in the U.S.A., the O+ Biggi is recyclable and made from recyclable aluminum, and "prop 65" friendly. An O+ Biggi canister is 11.25 inches tall, 2.5 inches in diameter and weighs 140 grams. O+ Biggi oxygen canisters are available in a 2-pack, 6-pack, 9-pack and 18-pack."