Brushed Stainless Steel – (304 #4 finish) – Difficult to scratch. Extremely strong; may bend if hit hard or dropped, but will not break. Highly reflective, but not mirrored.
Standard Acrylic – (could be different brands including Lucite or Plexiglass). Opaque. High gloss that can act as mirror in certain colors and lighting. Scratches easily, but scratches are not very evident from few feet away. Strong, but somewhat brittle; sharp points or extended pieces can break if dropped or hit.