The Skygarden’s plaster diffuser support is die-cast aluminum alloy. Its upper cable gland and blocking ring nut come in black injection-molded PC (polycarbonate). Shaped adjustment screws are included. The upper and lower silicone shock absorbers are injection-molded and transparent. The lamp-holder and fixing support come in PPS. The diffuser is flashed and blown opal glass. The molded fixing ring nut is die-cast aluminum alloy with alodine plating. The frieze is photo-etched and mechanically drawn AISI 304 steel. The ceiling attachment is molded and galvanized steel ceiling attachment. It has a gray, injection-molded PA6 (Nylon) rose, steel wire, and a FEP/SIL UV-stabilized transparent power cord. The Skygarden S emits diffused light and is available in black, brown, bronze, or gold. Diffusers are available in two sizes (models): Skygarden S1: 11.8" x 23.6" & Skygarden S2: 17.7" x 35.4."