Acrylic, replaces black molded tray. New Height/Depth adjustable shadow tray covers the entire height range of the previously available 7″, 10″ and 12″ shadow trays. Height range is 6″-11″ (15-27cm) from the seat. Depth range is 4″-20″ (10-20cm) measured from the back to the front pad. Tray size is 21″Lx24″W (53x61cm). Not available with mobile.