This product is designed by professional in order to help you and your little one to learn how to walk. This product will help your baby's walking experience and avoid twisting on the baby arms. It wll help the little one have fewer falls and reduce back pain from bending over parent. This item is fully adjustable according to your baby's chest measurement. It is design for 6-14 months old. All in all, It help the baby balance more naturally with hand free and you can use this walker with or without the top bar. It is your perfect baby walker !