A durable and environmentally friendly wooden chair is designed for maximum adjustability so you can find the perfect height for your little one at the table. The seat and footrests can be easily configured to fit a newly sitting 6-month-old or a full-grown adult, both in ergonomically correct positions that encourage a positive dining experience.The included Baby Set features a high-backed seat inset that adapts to the chair for use by the youngest babies, once they're ready to sit up alone. The protective back and rail, made of BPA-free polypropylene, fit securely into the Tripp Trapp chair.