This bean bag lap desk features a 12" x 16" (30cm x 40cm) almond arborite top with a cloth bag filled with soft Styrofoam pellets. Useful for many applications such as writing, eating, hobby jobs, etc. The bean bag provides a form fitting and comfortable support for the surface on your lap. The lap desk has a removable bean bag for easier cleaning (colours and patterns vary from bag to bag): This Bean Bag Lap Tray makes an excellent gift :-)