Unfortunately I let myself be blinded by the positive reviews and also to buy me a sleeping pad. I guess that has most of the price convinced. Of course I would have what simple enough. I blew on the part laborious and less than 1 minute in the sea I notice as the air escapes. One of these subjects was not very close to the edge. Due to the pressure, the hole has then enlarged probably. I have the same part thrown in the trash, because I again take no 8,98 EUR Product from Turkey back to Germany. Moral bought a similar Matter of the story at the beach kiosk for the same price. Then had no more problems.