This Yalumo baby carrier is suitable for babies aged 0-36 months and weighing 8-32 lbs, offering 4-in-1 wearing modes that adapt flexibly to different stages of your baby's growth. It places special emphasis on M-shaped hip and C-shaped spine support, with the M-shaped sitting position promoting healthy hip development, while the C-shaped design conforms to your baby's natural spine curve, ensuring back health. Additionally, the carrier features a head support design that provides extra stability and protection for the baby, especially during the newborn stage, helping to prevent excessive head movement and ensuring the head and neck are in a comfortable and safe position. The carrier is equipped with adjustable safety buckles that can be flexibly adjusted to fit your baby's body, ensuring safety and comfort during wear. It also includes a thoughtfully designed detachable drool bib for easy cleaning and replacement, meeting daily care needs. Whether at home or on the go, this baby carrier newborn to toddler allows parents to go hands-free, easing the burden and making outings more convenient.