The Tripp Trapp chair is designed to fit right into your table, bringing your baby into the heart of your family. However, for certain occasions the Stokke Tray which fits on the chair with the Stokke Baby Set can be convenient accessory. The child should be properly secured in the high chair at all times by the harness restraint system. The tray is not designed to hold the child in the chair. It is recommened that the children capable of sitting unassisted. Can only be used in conjunction with the current model"V2/V3" Stokke Baby Set and Tripp Trapp harness restraint system. This accessory wil not fit Tripp Trapp chairs made prior to 2008 or older Kinderzet configurations.