T4U Self Watering Planter Pot Rectangle 10.5 Inch Set of 3, Plastic Plant Pot with Visual Water Level Window Indoor Decorative Garden Flower Pot for Aloe Herb Orchid and Succulent Plants Orange[Principle of Self Watering]: Widened cotton rope enhance the effect of absorbing water from the bottom of the planter pot to keep the soil moist. No need to water your plants every day, because it already subtracts the daily watering job itself. [Visual Water Level Window]: This round plant pot with a visual water level window, you can easily observed when and how much to water your plants, just pour water from the water inlet directly is OK. [Double