Flower pots use drainage saucers to collect excess water that drains from the pots after watering. The corrugated texture of the bottom promotes a more even flow of water in the flowerpot and protects the roots of green plants. Suitable for hydrophilic plants to keep the soil moist.Color: Cream; Material: PP plastic; Height: 20mm/0.79inch; Internal base diameter: 82mm/3.23inch; Outside diameter: 120mm/4.72 inchThe deepened tray has a larger storage capacity and allows air to enter the root system more easily. Prevents water from dripping through the soil into the tray and out the bottom drainage holes onto the planting shelf, table, floor, rug, deck, furniture or patio slab.Place a saucer under the flower pot and fill the saucer with fresh water when it's time to water. Let it soak for several hours. Empty the saucer and allow the remaining water to drainStagnant water promotes excess soil moisture and harms plant roots. It is advisable to drain after each watering.