Babies ride rear-facing until they outgrow the seat’s height or weight limits. … After that, kids graduate to booster seats. The great thing about convertible car seats is that they can be used for a longer time frame, but they’re typically much heavier than infant car seats.abies ride rear-facing until they outgrow the seat’s height or weight limits. … After that, kids graduate to booster seats. The great thing about convertible car seats is that they can be used for a longer time frame, but they’re typically much heavier than infant car seats.abies ride rear-facing until they outgrow the seat’s height or weight limits. … After that, kids abies ride rear-facing until they outgrow the seat’s height or weight limits. … After that, kids graduate to booster seats. The great thing about convertible car seats is that they can be used for a longer time frame, but they’re typically much heavier than infant car seats.abies ride rear-facing until they outgrow the seat’s height or weight limits. … After that, kids graduate to booster seats. The great thing about convertible car seats is that they can be used for a longer time frame, but they’re typically much heavier than infant car seats.abies ride rear-facing until they outgrow the seat’s height or weight limits. … After that, kids graduate to booster seats. The great thing about convertible car seats is that they can be used for a longer time frame, but they’re typically much heavier than infant car seats.graduate to booster seats. The great thing about convertible car seats is that they can be used for a longer time frame, but they’re typically much heavier than infant car seats.abies ride rear-facing until they outgrow the seat’s height or weight limits. … After that, kids graduate to booster seats. The great thing about convertible car seats is that they can be used for a longer time frame, but they’re typically much heavier than infant car seats.