ΨDurable and Rust-proof: Adopting durable PVC materials, the Flower Pot Hole Mesh Pad is rust-proof and corrosion-resistant, reliable, and can serve a long lifetime. ΨHelpful Mesh Pad: The Bottom Grid Mat Mesh is helpful to prevent soil loss by placing the Hole Mesh Pad at the bottom of ceramic basins or planters with drainage holes. ΨMultiple Purposes: The Bonsai Pot Bottom Grid Mat Mesh is a good helper to drain excess water out from the planter hole to avoid root rot and improve drainage. ΨWi