Why do you need mesh pad? 1.Keep the soil from leaking out. 2.Keep the deck or table clean without leaking soil. Why choose GREGICH pot hole mesh pad. 1.Super value- Each package includes 50 pcs 4 x 4 inches square shape mesh pad, 48 pcs in white color and 2pcs in black color. 2. Cuttable mesh-if you only need 2 x 2 inches mesh, you can cut each mesh pad into 4 pcs 2 x 2 inches size or other size that your want. 3.Dense enough to save on soil loss, the mesh hole distance is 0.05 inch. 4. Corrosion Resistant- Made of polyester material, flexible, corrosion resistant, durable for long time use.