Bertoia side chair by Harry Bertoia for Knoll. The base is constructed of welded steel rods with polished chrome and upholstered with cover attaches directly to the frame with hidden mono-filament and metal hooks. The Bertoia chair combines strength and comfort for a lightweight design and absolutely essential. Bertoia himself called this collection of seats as "a veritable sculpture made of air and steel." A chair suitable for all environments, from waiting rooms to the dining area of private residences, from restaurants to lounge bars. Fabric upholstery cat. C Tonus and Knoll Felt