SRW Products LS3100RL Silver Elite General Landscape Fabric 3' x 100', professional quality, spunbond geotextile. The polyethylene and polypropylene fibers are specially formulated to resist ultraviolet light deterioration and are inert to commonly encountered soil chemicals. The fabric will not rot or mildew, is non-biodegradable, and is resistant to damage from insects and rodents. Polypropylene is stable within a pH range of 2 to13.