The Tripp Trapp Baby Set in Black from Stokke is made specifically for the Tripp Trapp Classic Collection Chair. Made from environmentally-friendly plastic material that is recyclable and safe for children. The Baby Set includes a seating rail and a baby back plate. that can easily be attached to the Tripp Trapp highchair to provide additional support and stability as well as allowing a baby as young as 6 months old to join the family meal at the dining table. The Baby Set provides more comfort and support which encourages the child to interact more with the family.