The Frontier combination Harness-2-Booster seat can be used for children over 100 lbs. as long as the vehicle shoulder belt guide places the belt in the proper position for the child, and the top of the child’s ears are below the top of the head restraint, and the child physically fits in the seat, and is not being used beyond its expiration date (9 years from date of manufacture).
Product Features
True Side Impact Protection distributes crash forces, shields from vehicle intrusion, contains the head and body, and keeps the head, neck and spine "in true" or aligned, to limit injury
Highest Five-Point Harness Seat Capacity allows children to remain harnessed up to 80 lbs or in booster mode to over 100 lbs
Patented, Energy-Absorbing Versa-Tether with staged-release tether webbing, anchors the top of the child seat at two points to minimize forward movement in a crash