Sounds like you would like to buy cork floor tiles. They are usually 300mm 
square and about 6mm thick. You could always glue two together. Check the 
yellow pages.
Cheers
Jim Darley
ProSciTech                 Microscopy PLUS
PO Box 111, Thuringowa  QLD  4817  Australia
Ph +61 7 4774 0370  Fax:+61 7 4789 2313  service@proscitech.com
Great microscopy catalogue, 500 Links, MSDS, User Notes
ABN: 99 724 136 560                      www.proscitech.com

On Thursday, July 20, 2000 5:59 AM, Jig1357@aol.com [SMTP:Jig1357@aol.com] 
wrote:
> Hi everyone,
> I have been looking for a supplier of sheets of corkboard approximately 1/4
> to 1/2 inch thick for pinning large breast sections.  If anyone has any info
> about this I would very much appreciate it!!!!!    Thanks
>
> Jeanne Godine