The Wesley Evenflo Maestro Harnessed Booster Car Seat features an innovative headrest design that allows the vehicle belt to self-adjust to your child's height while in booster mode. Enhanced sidewalls and head support provide comfort and safety for the child. Sporty style elements appeal to children, as will the integrated cup holders with flexible stripe design. The Wesley Evenflo Maestro Harnessed Booster Car Seat accommodates children ranging from 22 to 110 pounds. This combination baby booster car seat provides an exceptional value for a seat with such a wide array of innovative features.