Less is more! If you inflate the air bag normally, it rocks while sitting and then sitting not exactly comfortable. So, little air blow in and sitting is really pleasant and comfortable. Otherwise, the seat cushions made of sturdy material, such as halt sooner the Luftmatrazzen were also, so that they might actually be quite durable. A dot deduction but because of their relatively high price for such a small part that is easy to take in almost every pocket.
Subsequent note: At the time of purchase the good pieces still cost "9" Euro. As of now specified with "5" Euro Price is of course as much more pleasant to call ...
