or a second lateral surface 18 or may be coupled to both first and second lateral surfaces 16 and 18 for added stability as discussed above with reference to fig1 pivoting means 20 may comprise a bolt a pin a ball joint or any other means known to those in the art according to a second embodiment of the present invention a concession tray 10 may be independent of a stadium seat 30 such that at least one retaining flange 22 retains the concession tray 10 in a first position 50 by permitting the concession tray 10 to balance thereon in a substantially horizontal position relative to a backrest 34 of a stadium seat 30 rather than by positively securing the concession tray 10 in position according to this embodiment a second position 52 substantially adjacent and parallel the backrest 34 may be achieved by manually lifting the concession tray 10 from its first balanced position 50 and placing it against the backrest 34 a second position 52 may be facilitated by coupling to the backrest 34 retaining brackets configured to receive and retain the concession tray 10 in the second position 52 alternatively a second position 52 may comprise stowing the concession tray 10 beneath the seat portion 32 of a stadium seat 30 by sliding the concession tray 10 into retaining brackets contained on an underside thereof by simply placing the concession tray 10 on the floor beneath the stadium seat 30 by stowing the tray 10 between stadium seats 30 or by any other means known to those in the art certain embodiments of the present invention comprise.