Our Evolve 3-in-1 Bouncer grows with baby from birth (minimum 5lb 8oz/2.5kg) to 29 lbs. Use from birth with our pediatric orthopedist-approved newborn insert that cradles baby from head to hips. As baby grows, they can enjoy the Bouncer as a comfortable place to rest, rock themselves or play with the toy bar. As a toddler, your little one can continue to get use out of the Evolve Bouncer as a toddler chair, perfect for lounging. For low birthweight babies and children with medical conditions, please seek advice from a healthcare professional before using the product.