Some projects require an extra-strong landscape fabric that will withstand time, the elements and a lot of use. For areas that will be covered with heavy or sharp materials such as stone, where erosion control will be a problem, and where there will be a lot of traffic, as well as in landscaped beds, Professional Landscape Fabric has the strength and durability to perform up to your standards. At 3.0oz per square yard, its the heavy-duty, professional-weight landscape fabric. Formerly called GroundsKeeper, Professional Landscape Fabric is excellent for landscaped beds. A spunbonded polypropylene, its continuous fibers mean it won't easily unravel or fray. 20 year guarantee if installation instructions are followed. Bundled three 100ft rolls to a pack. Convenient for high volume users, such as landscapers. These rolls are 4 feet wide by 100 feet in length.