We use this booster seats in our second car because we wanted to buy there no extra Seats ... Unlike our previous styrofoam seats a big difference in quality. Through the solid plastic body is nothing here for and is gepult crumbly by the hands of children nothing. These booster seats are for once reasonably high, so that the belt routing also works fine and the kids can see satisfied from the side windows. Two drawbacks, however, prevent a Highest rated: 1) Those things are sau-slippery! As long as no one is sitting on it, these slip over the benches, flutschen out of his hands, the reference slips also like once a few centimeters high ..... rarely felt so smooth plastic! 2.) In children under possibly up to 5 years the seat is slightly too long, that is, the legs dangling down not cozy, but are always half stretched .... After 20-30 very uncomfortable, forcing the sitting in front automatically to continue as otherwise necessary to slip forward. Our interactive (7 years) but then again everything fits perfectly. Therefore, care of children under or even 5 years.