Helps safely transport your big kid from 40 - 100 lbs. and up to 57 inches tall. One - hand front adjust Latch system secures booster to vehicle seat. Metal and plastic parts may be cleaned with mild soap and cool water Secure connection keeps booster seat properly in place while seat is unoccupied Front adjustment allows you to quickly and easily tighten the booster to the vehicle seat Cup holder must be installed. Remove cup holder from compartment in bottom of base. Align tabs on side and bottom of cup holder with their slots in base and press cup holder into place. Do not remove cup holder once it is attached