Gray Bamboo 1/4″ (6mm) Cork Wall Tiles (22 sq. ft. / case) CAD 3.49 / sq. ft. Eco-friendly: a natural resistant to pests, mould, mildew and anti-allergenic, healthy alternative for wall paper Sustainable: 100% renewable. No cork trees are cut down; only the bark is harvested without harm to the tree. Free Sample here.. https://www.cancork.com/store/gray-bamboo-6mm-sound-proof-forna-cork-walls/