Give your child a comfy rear-facing ride...all the way up to 40 pounds! The Cosco Apt 40RF convertible car seat allows babies to remain in a safer rear-facing position up to 40 pounds and 40 inches in height. Tall toddler? The Apt moves into a forward-facing position for children up to 40 pounds and 43 inches in height. The Cosco APT 40RF Convertible Car Seat Features: * Side Impact Protection * 5-point center front adjust harness * 5 harness heights * 4 buckle locations * 3 integrated cup holders