Turns your Tripp Trapp® Chair into a comfy High Chair Suitable from when your child can sit unaided (approx. 6 months) Provides side and back support for your baby which allows them to develop the skill of sitting Brings your child to the dinner table and closer to the family Attaches easily to the chair, no tools required Harness easy to buckle with two clicks, as well as unbuckle with a quick release button