- Before planting, this mesh screen is used to cover the drainage hold at the bottom of the planter, allowing water to drain freely while keeping the potting soil inside - Made out of reusable plastic material that is resistant to corrosion, aging, toughness, and can be cut at will - Provides optimal plant growth support by preventing potted soil and roots from going bad - The grid pads can be combined with a lined saucer to keep dirt from washing out of the planters - Colour: Black - Shape: Round - Thickness: 1.6 mm/0.06 in. - Diameter: 34.93 mm/1.38 in.