Structure: in matt black lacquered metal with details in satinized brass colour.
Back panels: (where available) for fixed fitting only to one side of the bookcase. Available in square or rectangular version. Realized on one side in heat-treated eucalyptus or black matt lacquered and on the other side with a hand-made inlay in nubuk leather in the variants indicated of the Frigerio Collection.
Shelves: realized all in the same materials for each composition, available in porcelain stoneware marble effect in the colours of the Frigerio Collection or veneered heat-treated eucalyptus.