TurboBooster Stretch2Fit Booster Seat stretches to fit your growing big kid. The back and headrest each adjust independently to offer 9 separate height positions for ultimate fit and comfort. This 2n1 booster transforms from a highback booster seat to a backless booster seat to help safely transport your big kid from 40-110 lb. Breathable mesh AirFlow channels provide improved ventilation to keep your child cool and comfortable. Open-loop belt guides help your independent big kid with self buckling. The seat converts to a backless booster when your child is ready, and front-adjust LATCH allows for easy self buckling. The integrated cup holder keeps your child's drink close at hand, and hideaway storage stows their essentials. The soft fabric seat pad easily removes for cleaning. The seat is Graco ProtectPlus Engineered to help protect in frontal, rear, and rollover crashes.