ArmorShield Floor Padding Liner Protection is suitable for use with above ground swimming pools. It's designed to create a smooth surface while preventing rocks, roots, and grass from penetrating your pool's liner. Unlike foam, ArmorShield Floor Padding is uniquely designed in pre-cut pieces to fit your above ground swimming pool which defeats the hassle of measuring and trimming the padding yourself. ArmorShield Floor Padding creates a smoother surface making it easier for pool cleaners to