The Porta Chair is designed to work as a temporary high chair and provide support for your baby while sitting on most adult chairs. Carefully read and follow all warnings and instructions before use. Your child must be secured using the adjustable shoulder straps and five point safety harness at all times. The height adjustable straps are designed to keep a baby from gaining forward or sideward momentum to create a stability risk. Never leave child unattended while using the Porta Chair. Never allow the child to attempt to stand up while in the Porta Chair and do not use if child is trying to rock back and forth as this could cause the chair to topple over.