This Graco booster seat helps safely transport your big kid from ages 4 -10, from 40 – 100 pounds and up to 57 inches tall Backless booster is top-rated by leading consumer magazines and publications Graco ProtectPlus Engineered: a combination of the most rigorous crash tests that helps to protect your child in frontal, rear, and rollover crashes; additional testing based on the New Car Assessment Program and for extreme car interior temperatures The boost your child will love. Height-adjustable armrests for your child’s comfort