About LumiSource, Inc. LumiSource, Inc. takes a creative and contemporary approach to lighting and occasional furniture. Their goal is to provide an array of occasional furniture, lighting, and decorative accents that add contemporary flair and style to any room. Modern design -- high-back office chair. Metal and plastic construction. Colorful Daisy design. 360-degree swivel and adjustable height. Adjust seat from 17 to 21.5 inches in height. Caster wheels for swift mobility.