For proper fit, your child must fall within the weight, standing height, and seated shoulder height ranges listed for this product. Also the law states that your child must be 1 year and at least 20 lbs before they can be put forward facing.
Rear Facing
Weight- 5 lbs. - 35 lbs.
Standing Height- 49 or less''
Seated Shoulder Height- 9.5'' - 16''
Forward Facing
Weight- 1 year & 20 lbs. - 65 lbs
Standing Height- 49 or less''
Seated Shoulder Height- 12'' - 16''