How many liters of air can be filled in my Lamzac?

Lamzac 1.0 and 2.0
The Lamzac can contain approximately 600 liter of air.

Lamzac L (Deluxe)
The Lamzac can contain approximately 600 liter of air.

Lamzac XXXL
The Lamzac can contain approximately 800 liter of air.