Go from install to ready to use in just moments with our most economical polymer full circle shelf and hardware in the industry, This two tray set is available in 18", 24", 28", and 32" diameters these two shelf sets are independently rotating and feature molded Polymer hubs and bottom mount hardware with our unique patented snap pin design. *32” is made of PolystyreneLD-2062-18BM-11-1