The supporting frame is made of metal section aluminium coloured, the stopping panels are in multilayer and agglomerated wood, the sliding seats are on nylon guides. The padding is C.F.C. free non-deformable polyurethane foam in differentiated density and 100% polyester fibre. The base is in black varnished metal. A series of graft hinges allows connections between the different elements. Equipped with adjustable seats: by seating and pushing the seat forwards and stopping it in the desired position, the extended relaxseat position is obtained, back-rest with kidney-rest are manually adjustable. End-and-central units are equipped with extractable movement of the seat and adjustable back-rest. Long-chair with fixed seat, corner unit with fixed seat and back-rest. 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.