Airhawk soft seat

[Ride Alot]

Hi Guys
I have an airhawk to sell or to swap for a smaller one .
I have
Dimensions: 18" Deep x 12" Wide (46cm x 30cm).
I will swap this for a smaller one like this
Dimensions: 14" Deep x 14" Wide (36cm x 36cm).
or you can buy the bigger one from me for R550

thx