Thank you for including our custom wine cellar designs in your Ideabook.
If you have any questions about a wine cellar project, or something we
featured in a design, please do not hesitate to be in touch with us. You
can visit us online at www.josephandcurtis.com or call us directly at 1-888-681-5888

The back wall is called marble ledger stone.

Arctic Golden Quartzite Marble Splitface Ledger Panels, 6"x18" Corner, 30 Pieces · 詳細

https://www.houzz.com/products/arctic-golden-quartzite-marble-splitface-ledger-panels-6x18-corner-30-pieces-prvw-vr~81414779

What makes the wall stand out is the LED lighting. Kessick designs and manufactures the wine storage system and provides the lighting, but the wall texture wall provided by the builder.