COSCO MODEL # 22-291-WAL, I PURCHASED A PROTEK BELT-POSITIONING BOOSTER SEAT FOR MY FOUR YEAR OLD SON. THE SIDES OF THE SEAT ARE EXPOSED PLASTIC. UPON GETTING INTO THE SEAT, HIS LEGS WERE BURNED BY THE PLASTIC (NOT SERIOUSLY, BUT STILL PAINFUL). THIS COULD BE FIXED BY SIMPLY COVERING THE SIDES OF THE BOOSTER WITH EXTRA SEAT PADDING. *AK