TOOKIRUBY created this innovative and revolutionary baby carrier, built for comfort and versatility.This is a smart baby carrier with hip seat, which makes it possible to free new parents' hands. The adjustable hip seat carrier will change the way your baby sits, putting your baby's hips and legs in a comfortable and right position with normal leg development. At the same time, it can share the weight of the child, allowing our waist to relieve stress.This newly designed hip carrier for babies has been upgraded with a variety of carrying options that can be changed for different modes as your little one grows. We recommend it for newborns from 4 to 36 months old with the max weight capacity of 40 lbs.The baby carrier meets CPSC standards.