The Boba Carrier 4G includes more than a dozen features making this carrier truly one of a kind! Ideal for babies and toddlers alike. It can carry up to 45 lbs of baby. The Boba Carrier comes with an integrated infant insert and may be used well into toddlerhood. Minimalist design It's exactly what you need without anything you don't The original Boba curved and contoured straps with a smooth sliding back strap design offer a custom fit for all wearers, and the sturdy & strong waistband helps support and distribute baby's weight for an effortless and long-term carry. Being held in a natural ergonomic position with the spine, legs, and hips supported will decrease the risk of hip dysplasia and help them develop strong leg and core muscles and healthy hip joints!