Infant-to-toddler ROCKER Sensory Security & Happiness Gross Motor Listening Training Easily converts to a toddler rocker Machine-washable fabric seat pad Adjustable three-point restraint Lovely music lion Removable toy bar Adjustable the seat angle Calming vibrations Modern, non-skid design Maximum weight of child 40 lbs 18kg Use the infant rocker seat (recline) from birth until child is able to sit up unassisted.