Removable Airbag 3.0 and Refillable Cylinder are SOLD SEPARATELY! Add both to your cart for a functioning airbag. This is designed to go with Chris Bentchetler&';s Avalanche Pack https://gravitycoalition.com/products/dakine-team-poacher-ras-26l Be safe. Be prepared. The Removable Airbag 3.0 by Mammut is the best choice for the worst situation. This Airbag is light, compact, modular and discreet, and waiting in your backpack until you need it. When selected for purchase, this is just the airbag and remote unit. You will also need an air cylinder to make your airbag function. Refillable Empty Cylinder (sold separately) More days on the mountain and more days in the water Protection from the elements Environmentally friendlier materials Durability the number one priority Lived, tested and improved