The Float 12 avalanche airbag 2.0 is BCA's low volume, 12-liter backcountry backpack, with a low profile for heli-skiing, cat skiing, out-of-bounds sidecountry riding, and snowmobiling. BCA's Float 12 pack comes with their standard airbag features optimized for small-to-medium torso lengths. BCA's 200 authorized refill locations around the world make it the easiest refillable airbag system on the market. Float 2.0 air cylinder must be purchased separately. The Float Airbag system does not guarantee survival in an avalanche incident. Educate yourself, make good decisions, and know before you go. FLOAT 2.0 CYLINDER SOLD SEPARATELY.