Keep them Weeds Away, the Mulch Mat Way Organic, Biodegradable and Sustainable
And they keep the slugs away, they hate walking, or rather slithering, over the mats hairy surface.
They will last at least a couple of years.
Just leave them there until they go back to the soil.
It will do no harm, and perhaps a little good.
They are easily cut to size to fit any awkward corners.
Made from organic coir and natural latex, they can easily be cut to shape with a sharp knife if you have some awkward little places.
We have made a path with them through our wildlife park - code for the scruffy bit of the garden we leave totally to nature.