Hi Phil! From the sites that I visited, that size block is pretty non-standard, you might have to get something custom fabricated. Can you have some sheet stock bonded together to get that size? Anyways, here's a few places to try: http://www.adaptplastics.com/plasticmaterials.htm http://www.plastic-products.com/stock.htm http://www.vision-plastics.com/plastics.htm http://www.modernplastics.com/ http://www.professionalplastics.com/ -Steve Gregory- > Good afternoon all, > > We have a project that needs plastic blocks 6x10x12 (in inches). It can be > Polyethylene (Low Density), Polyethylene (High Density), Polypropylene or > PVC. "Bar stock" would also work as long as we can cut the above sized > blocks out of it. > > Any ideas for a source? > > Thanks in advance, > > Phil Nutting >