Quartet Classic Cork Bulletin Board, 36" x 48", Aluminum Frame With Silver Finish - Corkboard with aluminum frame features long-lasting, thick, resilient cork. Ideal for breakrooms and home offices. Dense, nonporous cork holds pushpins tightly. Corkboard has a dense, fibrous fiberboard backing, primed and sealed to reduce moisture absorption and resist warping. Mounting system makes hanging simple and allows horizontal or vertical mounting