<font color="blue"> I heard that spider web (pound per pound) is one of the strongest materials on earth... someone even suggested making bullet proof vests out of them! </font color>

The problem is getting the stuff economically. The spider silk has already been proven. It's much stronger than Kevlar.

Once someone figures out how to synthesize spider silk, Kevlar will be history.

I just read an article about this a few weeks ago - it's being actively researched.