Salami 1/4″ (6mm) Cork Wall Tiles (22 sq. ft. / case) $70.18 CAD 3.19 / sq. ft. Feature:- Sound proof insulation: Eco-friendly: Sustainable: 100% renewable Natural: natural product produced from the bark of the Cork Oak For More info please Look here https://www.cancork.com/store/logan-forna-cork-wall-tiles-for-soundproofing-18-sf-per-package-cad3-79-copy/