Slice LapDesk with White Board - Made for Your Arm Chair, Sofa, and Bed How To Use: Slice will rest hands-free on your arm chair, comfortably on your lap, or can be set on your sofa and bed. Material: Cut from premium, light weight bamboo and polished by hand for a smooth and consistent finish. Features: This Slice model comes standard with a remote felt tray (on left), acrylic white board (on right), and tray handles (on the left and right).