The Mygo Stander Tray can be used in the Prone, Supine and Upright configurations. It is height and angle adjustable and made from soft polyurethane. Tray Surface is 20.5 x 23.2 in. (52.1x58.9cm). You can choose to add a Bowl Insert to the tray or a Grab Rail/Toy Bar. The Grab Rail allows the user to stabilize their arms through hand grasp which can in turn help to stabilize the posture of the upper trunk, neck and head. The bar can also be used to attach objects of interest that the user can observe or interact with.