Washable and Reusable Pick For Life dog potty grass pad is easy to clean with soapy water or a hose. And the artificial grass can dry quickly. We suggest to clean the dog potty grass every 1-2 days to avoid odor Superior Drainage The indoor potty grass pad has water permeability, after the dog urinates, the urine can seep out quickly, avoiding the urine staying on the lawn to produce a bad smell. Please noted: This is only grass replacement. We suggest to place a pee pad/tray under the grass if you use it for dog potty training Like Real Grass to Perfect Touch Natural realistic artificial grass turf, high-density, stands upright without filler, look like real grass. Soft and comfortable, you can step on barefoot, it does not hurt your feet.