So there should be a cushion that inflates itself, removable, washable covers and has the format is flexible. Sometimes larger, sometimes smaller - as needed. And more than the advertised price must then of course it does not cost clear.
So now the assessment of a buyer who has just ordered the third cushion series. Not because one would have gone kaput - quite the opposite - an in touring backpack for camping, a day pack and one in the car. This pillow is compress flat and takes away very little space. The valve is large and can not be lost. Also class. The two sides are differently - even a kind of flocking, once smooth plastic. If you want it really comfortable, commitment it a fleece jacket; finished.
The product does exactly - exactly! - What the description promises. It can be inflated, has two sides and you can sleep on it. Maybe you should think what you've bought because before you turn in those reviews and comments only once. Or at least read what is in the description. Then also fall off comments like "suggests, to be self-inflating". Or Missing from removable covers. Or critique of the size. It's all in the product description.
So if you're looking for an inflatable pillow that the size 37 x 28 and has costs under seven euros, you can buy here without hesitation. If you are looking for what is described in the other "reviews" as missing or suggerierend, I recommend either an outdoor shop in which a similar product costs more than twice, or a sorcerer ...