Heavy-duty polyethylene construction. 1 ventilated shelf and solid shelf. Shelving cannot be adjusted or moved. No assembly required. Gray with charcoal finish with lockable doors. About RubbermaidRubbermaid represents innovative, high-quality products that make life a little simpler. Starting with housewares, Rubbermaid has expanding into various areas, including home and garden and commercial products. Rubbermaid has been recognized as a Brand of the Century and is one of only 100 companies named as having an impact on the American way of life. Headquartered in Atlanta, GA., Rubbermaid can be found almost anywhere, from grocery stores to hardware stores to your own kitchen. Being involved in the local community is a cornerstone of the Rubbermaid company, and they continually invest in programs that matter to employees and enrich the lives of everyone, from child to adult.