Abstract: A flexible rack shelving system, the system comprising the A rack shelving system, the a rack shelf, wherein the rack shelf comprises: two vertical side walls, wherein each vertical side wall contains a plurality of apertures, and a base, wherein the base is pivotally mounted by at least one hinge to each of the two vertical side walls. The rack shelf further comprises a rack, wherein the rack shelf is placed inside the rack and attached by way of interlocking between protrusions in the rack and the plurality of apertures in the vertical side walls.

Abstract: A corner shelf system may include a support assembly and a shelf. The support assembly may include at least two support members coupled at about a 90° angle. The support members may be coupled together by a ratchet mechanism. The about 90° angle at which the support members are coupled may be adjustable by way of the ratchet mechanism. At least two of the support members may each include a channel that slideably receives an edge of the shelf.