construction and operation shown and described and accordingly all suitable modifications and equivalents may be resorted to falling within the scope of the invention for example although specific means of mounting the multi wall tray have been disclosed many other means of attaching the tray to a wheelchair or other object are possible these other mounting means may be broken down into two categories 1 passive and 2 active the passive mounting means may include 1a magnets stored inside the openings of the multi wall tray that attach to conductive brackets located around the wheelchair armrests or frame 1b suction cups that attach to the wheelchair armrests frame or separate bracket installed on the wheelchair 1c brackets or tubes that extend from inside the openings of the multi wall tray or secure to the bottom panel of the multi wall tray and mount to the axle of a wheelchair wheel 1d brackets or tubes that extend from inside the openings of the multi wall tray or secure to the bottom panel of the multi wall tray and mount to a bracket or tube secured to a wheelchair frame or armrest 1e a hinge that extends from inside the openings of the multi wall tray or secures to the bottom panel of the multi wall tray and mounts to a wheelchair frame armrest or bracket installed onto.