M400 PS Jr. combines the capabilities of our M400 base with the versatility of the PS Jr. seating system for the perfect pediatric chair. With a tight turning radius, you'll be able to maneuver through your home with ease. The expandable seat pan allows for a custom fit, so the chair can grow with the child. Plus, the PS Jr. is designed with convenient flipbackarmrests, making transfers a breeze. And thanks to the UniTrack, standard on the PS Jr., you can have a variety of adjustments and accessories for added comfort.