Supporting structure in varnished metal, panels in multilayer and agglomerated wood. The spring system of the seat is composed of elastic belts. The padding is made of C.F.C.-free non-deformable polyurethane foam in differentiated density and 100% polyester fiber. In addition, the seat cushion has a layer of viscoelastic foam. The feet are in polypropylene, black color. For the modular version, the connection between the different elements is made through joint-pins included in the frame. The ?Corner unit? and the ?End long-chair? have a fixed seat and only on the ?End long-chair? the headrest is manually adjustable. The relax position is obtained by sitting and pushing the seat forward. Completely removable covers.
Busnelli is being involved for half a century in the production of upholstered furniture signed with the silver brand. The experimental care of the searchers of Centro Studi & Ricerche Busnelli (Study & Research Centre) and the co-operation with professional architects and designers, generated high qualitative and design products which denoted the Company's history. Many of these products, characterized by innovative forms, time-proof materials, versatile structures, have contributed to the design history; Fiocco and Libro, original chairs of 1970, are part of the Permanent Collection at the Museum of Modern Art in New York.