Ghent 36" x 60" Aluminum Frame 1/2" Premium Natural Cork Bulletin Board (05914) Premium fine grained natural cork surface that is extra thick. Deluxe framing in satin anodized aluminum. 1/8 cork surface is smooth, resilient and self-healing to remain soft and pliable for years. 3/8 sealed back fiberboard for rigidity and stability. Backed with a 10 year warranty Made in the USA and TAA compliant.