I bought two for my son, before a trip to the USA. Very convenient because when folded in their covers, they carry very easily. Then they swell easily, and does not deflate (20 travel days). They are large enough to be comfortable (no children, 6 and 8 years, not one complained). They tight fit with two legs to hang on the lap section of the belt. Above all, they are fitted with a strap with a clip for the upper part of the seat belt, which creates a third point daccroche at the child's shoulder (prevents belt crosses the neck) .
