Center divider cushion for the dog

I sometimes like giving my 55 lb shep-corgi freedom to move from front to back when I'm traveling long distances (yea, I know, safety and all that - I get it), but I didn't want her to scratch, slip on or crush the center divider sliding cover. So, I took an old (very green) garden knee pad, cut it to size and sanded bevels into the front in back. You can see I mis-measured the cut-out for the lever, but it stays put really well. LMK if you'd like measurements and I'll post them up.