Our Brown Cork is now available in 12 inch x 12 inch (304mm x 304mm) squares! Choose between ½ inch (12mm) and 1 inch (25mm) thickness 1, 3, 6, and 9 piece packs. The Brown Cork allows for a rustic effect and if you want a more unfinished look for your project. The possibilities are endless; you can use it for technical applications such as for vibration absorption, insulation, underlay or in a residential space to create bulletin boards, coasters, and trivets. Just to name a few. Brown squares are 100% natural and light weight and can be an alternative to the conventional cork sheet. Please Note: The stated size may have up to a +/- 1/4" tolerance.