Tired of the light easily ripped fabric from your box stores? Get the good stuff the professionals use. 4.1oz thick fabric in rolls of 3 Feet x 100 feet. Landscape fabric allows water to reach the roots and soil and restricts the amount of weeds present . Like anything weeds will still find a way , with soil and seeds blown in the air weeds can grow on top of the fabric however there are less of them and cannot root as well making them more easily removed.