The Tripp Trapp® Baby Set consists of high back and rail supports. Your child can start using the Tripp Trapp® with theTripp Trapp® Baby Set when they are able to sit up unaided, usually around the age of 6 9 months. It can be used until your child is approximately 3 years, providing protected seating for your child. The baby set is available in the same colour range as the Tripp Trapp® chair. Safe and comfortable seat with freedom to move. Allows only one leg through each leg opening. Integrated Crotch strap. Easy assembly/removal no tools needed. Quick removal for cleaning. Dishwasher safe. Wide rail, more comfortable support for your child. Ensures correct seat depth, promotes good posture and back support.