Kris Holm Fusion air saddle

I noticed UDC has an air saddle up grade for $40.

Does anyone know what is inside it?

no but i wish it was put as an option for the '05 kh cuz i was wondering how you converted it to an air saddle.

Im guessing it is just:

1.) an air pillow
2.) 20" tube inside the pillow

and placed on the KH saddle base with some of the foam from the seat either on top or bottom, with the fusion cover

I am not sure of this though, but that is what I would assume.