Self-Watering System If you are one of those people who forget to water their plants, you must buy our self-watering herb pots. Your herbs will take the necessary water themselves and can survive for a long time without being watered. The self-watering herb pot and inner container are made of high quality plastic, which is heat and cold resistant. The great solidity allows a safe and durable use. Always well cared for plants Window with water level indicator The perfect choice for having an herb garden on your windowsill Sustainable use