This tray has a bean bag attached underneath to allow it to sit comfortably on the knees in a very stable position. It is supplied with a Dycem non-slip mat to prevent items from sliding. The detachable bean bag has an attractive washable cover. Ideal for use when sitting in a chair or bed. Tray size 445 x 330mm (17.5 x 13"). Weight 675g. Please note the colour of the tray/fabric pattern on the bean bag may vary.