I BOUGHT A RUMI AIR BOOSTER SEAT BY DOREL JUVENILE GROUP WITH 5 POINT RESTRAINT FOR MY 5 YEAR OLD DAUGHTER WHO HAS CEREBRAL PALSY. (THE MODEL NUMBER DID NOT APPEAR ON YOUR LIST OF DOREL SEATS). IT WAS QUITE EXPENSIVE (>$150.00) AND WAS TOUTED AS EXTREMELY SAFE DUE TO THE AIR CHAMBERS AT THE SIDE OF THE HEAD. IT IS MARKETED TO FIT CHILDREN UP TO 100LBS. MY DAUGHTER IS EXTREMELY SMALL (30LBS.) BUT NORMAL HEIGHT FOR AGE. WE HAVE HAD THIS SEAT FOR ALMOST SIX MONTHS, AND SHE SCREAMS CONSTANTLY WHEN RESTRAINED IN IT. SHE IS OTHERWISE A VERY GOOD NATURED CHILD. I HAVE BEEN CHECKING THE SEAT REPEATEDLY TO SEE WHAT THE PROBLEM IS, AND JUST RECENTLY WHEN I TOOK IT OUT OF THE CAR TO WASH IT, I ACTUALLY MEASURED THE DISTANCE FROM THE BACK OF THE BUTT TO THE HOLE WHERE THE RESTRAINT THAT GOES BETWEEN THE LEGS IS. IT IS 3 INCHES AT THE SMALLEST PLACE, 4 INCHES AT THE MEDIUM SLOT, AND 5 INCHES AT THE LARGEST SPOT. THEN I LAID MY EXTREMELY PETITE DAUGHTER ON THE FLOOR AND MEASURED HER, BACK TO FRONT, FROM THE FLOOR TO THE PUBIC BONE. TO BE TOLERABLE, THE RESTRAINT WOULD NEED TO BE AT LEAST 7 INCHES FROM THE BACK OF THE CHAIR! IN ADDITION, THE LATCHES THAT HOLD THE CHILD IN FASTEN BETWEEN THE LEGS. THERE ARE TWO TRIANGULAR PIECES THAT FIT INTO A CIRCULAR LATCH. WHEN ASSEMBLED, THE LATCH IS 4 INCHES IN DIAMETER! SO THE POINTS OF THOSE TRIANGULAR LATCHES ARE CONSTANTLY DIGGING INTO HER LEGS. I HAVE TRIED TO CUSHION THEM WITH FOAM, BUT NOTHING WILL STAY IN PLACE. THIS BOOSTER SEAT HAS AN EXTRE