A shelving apparatus includes a supporting frame and a plurality of foldable posts for coupling with the supporting frame. Each foldable post includes an upper post member, a lower post member and a post joint, wherein each of the upper and lower post members has a first post wall and a second post wall extended from the first wall at an angle. The post joint includes an engaging tongue extended from an end portion of the first post wall of the upper post member, an engaging groove provided at an end portion of the first post wall of the lower post member, and a pivot hinge pivotally coupled the second post walls of the upper and lower post members. When the post members are pivotally moved to engage the engaging tongue with the engaging groove, the upper and lower post members are coupled with each other end-to-end.

A one piece wire shelf extension for expanding the depth of an existing wire shelf whose front face is defined by a front support wire and a spaced support wire, the wire shelf extension having support wires and, perpendicular thereto, stringer wires wherein at least two of the stringer wires have extended segments that bend at a 90 angle relative to the plane of the support and stringer wires said extended segments adapted to engage the front and spaced support wires.

A one piece wire shelf extension for expanding the depth of an existing wire shelf whose front face is defined by a front support wire and a spaced support wire, the wire shelf extension having support wires and, perpendicular thereto, stringer wires wherein at least two of the stringer wires have extended segments that bend at a 90 angle relative to the plane of the support and stringer wires said extended segments adapted to engage the front and spaced support wires.

A rack assembly having two side racks, two rails, and at least one sub-rack, wherein the rails are mounted between the side racks and include a front rail and a rear rail lower than the front rail. Each rail has an opening in a side of the rail, with the opening of the front rail defined in a bottom of the front rail and the opening of the rear rail defined in the rear rail at a side facing the front rail. The at least one sub-rack has a rack frame, a connection rod, and at least one supporting member and is slidable along the rails The rack frame has at least one front rod and at least one rear rod wherein each front rod has an extension rod mounted retractably on a top of the front rod and a front wheel.

A rack assembly having two side racks, two rails, and at least one sub-rack, wherein the rails are mounted between the side racks and include a front rail and a rear rail lower than the front rail. Each rail has an opening in a side of the rail, with the opening of the front rail defined in a bottom of the front rail and the opening of the rear rail defined in the rear rail at a side facing the front rail. The at least one sub-rack has a rack frame, a connection rod, and at least one supporting member and is slidable along the rails The rack frame has at least one front rod and at least one rear rod wherein each front rod has an extension rod mounted retractably on a top of the front rod and a front wheel.

A modular product display shelf system includes at least one end support frame comprising two conduits pivotally connected to each other. Each of the two conduits has support conduits affixed at longitudinal ends thereof in a direction transverse to the conduits. At least one vertical support column is disposed in each support conduit. At least one shelf is affixed at a selected longitudinal position to each of the vertical support columns.

A modular product display shelf system includes at least one end support frame comprising two conduits pivotally connected to each other. Each of the two conduits has support conduits affixed at longitudinal ends thereof in a direction transverse to the conduits. At least one vertical support column is disposed in each support conduit. At least one shelf is affixed at a selected longitudinal position to each of the vertical support columns.

A reversible display device including a base-shelf having a planar surface, a back panel attached to the base-shelf, and at least one clip having an upward extending stop. The display device has a first orientation such that the planar surface is a base for the display device and a second orientation such that the planar surface is a top shelf for the display device. The clip is removably attached to the back panel such that the upward extending stop is oriented upward in either the first or the second orientation.

A reversible display device including a base-shelf having a planar surface, a back panel attached to the base-shelf, and at least one clip having an upward extending stop. The display device has a first orientation such that the planar surface is a base for the display device and a second orientation such that the planar surface is a top shelf for the display device. The clip is removably attached to the back panel such that the upward extending stop is oriented upward in either the first or the second orientation.

A bracelet hook for holding bracelets has a clip for mounting onto parallel mounting bars of a jewelry organizer stand and an upper arm and a lower arm for holding bracelets. The upper arm has a hook that can clip into the lower arm so that the bracelet hook can be closed and hold bracelets for shipping.