This chemical-free heavy duty weed controlling solution is ideal for gravel driveways, pathways, under decking, borders, herb and vegetable gardens.it is very easy to use simply cut to size and placemat in position, cutting holes for your plants and flowers then cover the whole thing with a layer of bark, mulch or decorative stones/pebbles. The way that the mat works is that it acts as a barrier for weeds but at the same time conserves the moisture in the soil and allows rainwater and nutrients to easily pass through. Ideal for gravel driveways, pathways, under decking and borders Allows nutrients to pass through Easy to use Chemical-free weed control