Over at Rockler, they came out with a new super-sized version of their silicone project mat. The “project mat XL” is 23-1/2″ wide x 30-1/4″ long, which they say is ideal for standard-sized workbenches.
The mat is easy to clean, since wet glue rinses off and dried glue peels off. It’s also soft, and textured on the top so that it can trap debris that could otherwise scratch or dent your project.