I HAVE THE GRACO SNUGRIDE 8643DH03 MANUFACTURE DATE 121606, BUT IT IS NOT LISTED IN THE NEXT STEPS FOR MODEL INFO. I WILL PICK A SIMILAR MODEL SINCE MINE IS NOT LISTED. MY BABY CAN REACH UNDER THE COVER AND REMOVE THE PADDING ON THE BACK OF THE COVER. THERE IS NO LINER ON IT AND HE HAS MADE TWO HOLES IN THE COVER ON EACH SIDE OF HIS LEGS. HE HAS TRIED EATING THE "FUZZ" HE PULLS OUT AND I HAD TO PULL OVER WHILE DRIVING DUE TO HIM CHOKING ON IT. I NOW FOLD THE COVER UNDER HIS LEGS, BUT HE IS STILL ABLE TO REACH UNDER THE COVER TO PULL OUT FUZZ. I CONTACTED GRACO TODAY, BUT HAVE NOT RECEIVED A RESPONSE YET. *TR