The hip seat + baby carrier is a versatile 3-in-1 product that combines a hip seat and a baby carrier. It can be used in three different ways: as a combination of both the hip seat and carrier, solely as a hip seat, or solely as a baby carrier. The hip seat is ideal for infants aged 3-8 months, while the carrier can be used in conjunction with the hip seat until the baby reaches 3 years old.