Meet Every Stage. A convertible chaperone designed and engineered to make growing up easy from birth to 12 years. Adjustments grow every which way for every which stage. 4 seats in 1 - An every group child seat with added features to adapt and protect from birth to 12 years. Transforms to fit - AutoAdjust™ side wings and headrest grow up and out simultaneously. Powerful protector - Multi-position Guard Surround Safety™ side impact protection panels.