Chair. Aluminum alloy frame, polished or painted black, graphite or white. Seat and back upholstered in polyurethane. Removable cover in fabric or leather or non-removable in cowhide. Upon request two loose covers to be put on without fixing can be supplied: in 100% white cotton, available either short covering seat and backrest or long covering legs too; or in fabric Canneto, 100%linen, available long only.