Non-Slip Woodworking Mat Leagal Or Not?

is any Non-Slip Woodworking Mat leagal? Or does it have to be from the offical vex site?

As the game manual says, only parts sold from vex or parts with the same I’d number can be used on your bot. This also applies to Anti-Slip mat.

Over the years, I’ve seen the exact mats, thick and thin, commercially available. The thicker was being marketed as a shelf liner. The issue is buyer beware as there are close but not exactly the same mats also available.

Anything not listed would be considered illegal. However, VEX does sell anti-static foam strips, and depending on what your plans were for the anti-slip mat, you might be able to put together something similar using the foam.