Tray provides a working surface and a place to rest and position your child’s arms no matter where they are. Tray is transparent and height and angle adjustable. Mounting hardware is included. The Swifty Tray is 22 in. W x 13.1in D (56x33.2cm). The Cut-out for the tray is 16.1in. W x 5.5in. D (41x14cm). The Swifty 2 Tray is 23.6 in. W x 14.3in. D (60x36.2cm). The Cut-out for the tray is 17.9in. W x 6.9in. D (45.5x17.5cm). Adjustment angle of tray is approximately 27 degrees.