Specifications:

[Four-layer] horizontal black three-layer + top shelf

[Four] Vertical black three + top shelf

[Four Layers] Horizontal Black Three Layers + Top Storage Frame

[Four-layer] Vertical Black Three-layer + Top-layer Storage Frame

[Four] horizontal black three + top shelf + hanging Pen Holder

[Four] Vertical black three + top shelf + hanging Pen Holder

[Four-layer] Horizontal black three-layer + top storage frame + hanging pen container

[Four Layers] Vertical Black Three Layers + Top Storage Frame + Hanging Pen Holder

[Five] horizontal black four + top shelf

[Five layers] Vertical black four layers + top shelf

[Five layers] Vertical black four layers + top storage frame

[Five layers] horizontal black four layers + top shelf + hanging pen container

[Five] Vertical black four + top shelf + hanging Pen Holder

[Five layers] Vertical black four layers + top storage box + hanging pen container

[Six] horizontal black Five + top shelf

[Six] Vertical Black Five + top shelf

[Six layers] horizontal black five layers + top storage frame

[Six layers] Vertical black five layers + top storage frame

[Six] horizontal black Five + top shelf + hanging Pen Holder

[Six] Vertical Black Five + top shelf + hanging Pen Holder

[Six layers] horizontal black five layers + top storage frame + hanging pen container

[Six Layers] Vertical Black Five Layers + Top Storage Frame + Hanging Pen Holder

[Seven] horizontal black Six + top shelf

[Seven] Vertical black Six + top shelf

[Seven Layers] Vertical Black Six Layers + Top Storage Frame

[Seven] horizontal black Six + top shelf + hanging Pen Holder

[Seven] Vertical black Six + top shelf + hanging Pen Holder

[Seven layers] Vertical black six layers + top storage frame + hanging pen container

[Three layer] Vertical Black two layer + top shelf

Horizontal three-layer combination

Vertical three-layer combination