Lap Desk Portable Tray w/ Cup Holder Zebra Safari Stripe - Room It Up #LD6219 Bean Bag Lap Desk Features Great for road trips taking meals in bed working with a laptop on the go and much much more. The work space measure out to 17 1/2 inches by 10 3/4 inches. Soft bean bag cushion keeps this lap desk stable. Cup holder holds cups up to 2 3/4 inches in diameter.