Description:1. The Backpack Infant Carrier is made of skin-friendly polyester-cotton material, soft and comfortable.2. It is scientifically designed to perfectly keep your toddler's legs in an ergonomic M-shaped position without affecting your toddler's bone development.3. It is suitable for infants from 3 to 30 months, with a maximum load of about 20 kg.Specification:Material: polyester cottonColor: gray, green, pinkSize: As shownPacking List:1* Backpack Infant Carrier