This is 5 oz. Woven Landscape Fabric.
The fabric is polypropylene needle-punched fabric.
The landscape industry's BEST woven, needle-punched, polypropylene
fabric designed for professional and commercial use and approved by
leading landscape architects and most government agencies.
Permeable, conserves soil moisture, increases growth, and prevents
unwanted weeds from germinating.
Twelve-inch spaced, colored lines make for easy plant alignment. Use
anchor pins that we sell here for installation.