These are lattice diamond bin wine racks, crafted from mahogany. They promote optimum airflow between wines, while storing them in a bulk fashion. They can increase the wine capacity of any wine storage space significantly. They store the bottles one on top of another. Below this racking are the lattice horizotnal wine racks. Made from Mahogany, the entire racking has a rustic appeal. Follow us on Twitter: https://twitter.com/winecellarspec Wine Cellar Specialists +1 (972) 454-0480 info@winecellarspec.com See what other people say about us: https://www.google.com/search?q=Wine+Cellar+Specialists&ludocid=17480672740598023400#lrd=0x0:0xf297d33db23304e8,1