the lia small chair, large chair and armchair designed by roberto barbieri in 1998 - 1999. lia has an aluminum alloy frame available in a choice of a polished or painted aluminum or graphite color. the seat and back are upholstered in polyurethane with a fixed internal nylon cover. the removable external cover is available in a choice of fabrics, leathers or cowhide in various colors. the only difference in the dimensions between the small and large chair is that the large chair is slightly wider. the main difference between lea and lia is that the lea chairs have fabric or leather covered legs and the lia chairs have aluminum alloy legs.