Soft, non-woven geotextile made from polypropylene will last 20+ years under your liner.Has a non-slippery surface and provides protection for the liner from rocks and other sharp

Soft, Non-Woven Geotextile Made From Polypropylene Will Last 20 Years Or More Under Your Liner Has A Non-Slippery Surface And Provides Protection For The Liner From Rocks And Other Sharp Objects, Spreads Easily, And Saves Time 15 ' X 300 ' Roll Brand: Aquascape