Carry capacity: age from 3 months to approximately 36 months, weight from 7-45lb / 3.5-20kg. Do not carry your baby for more than two hours, or he/she would feel uncomfortable. Please do not carry your baby within half an hour after feeding. Only use the baby carrier when standing, walking or sitting. Before putting your baby in the carrier, practice putting the carrier on and taking off to ensure you are familiar with all procedures. Always checking all the buckles and fastenings are securely closed and the straps correctly fitted and adjusted before using the carrier. Your balance can be detracted negatively from your moves of your child. Please be careful if you bend of lean forward. This baby carrier is not adapted for sport activities. The anti-slip hip seat is more stable and can effectively reduce the shaking of baby's hip and keep baby always in the right sitting position. Widened and thickened shoulder straps help to reduce shoulder and neck burden. Once you tightened them, straps would not slip off your shoulder easily. Babies age: newborn to toddler 0-36 months Weight Range: 7-60 lbs / 3.18-28 kg