Manton Cork Sheet, 100% Natural, 4' x 5' x 3/8" Cork material especially for home improvement projects. Design a cork wall or tacking pin-up area Ideal for kids room, playroom, kitchen, home office & shop. Use as cork backing for dart board Excellent acoustical (sound transmission) and thermal benefits (insulates both cold & heat) Easy to cut & install - mount directly to wall, glue to backer board. Stain/paint to match decor Tremendous savings over store bought or custom made bulletin boards