Share 'Rubber Tee Pads'

We're attempting to install a course in Davison, MI. To make installation as convenient as possible for the all volunteer workers, we're considering rubber pads instead of concrete. Has anyone played on a Fly 18 rubber mat? Are they any good? I've read other threads about tee pad alternatives (wood, berber, limestone, pee gravel) none of which sound as easy to install as laying down a piece of r…