Terracotta Watering Spikes Automatic water dispensing: Terracotta Watering Spikes automatically dispense water, so you don't have to worry when you're away. You can add water directly to moisturize for 2 to 3 days. material: Plant Watering Spikes are made of red loam soil, with strong drainage and good permeability to balance soil moisture. Not easy to corrode; durable. Convenient operation: Automatic Self Watering Stakes are compact and easy to use. The simple design allows burying the spike deep in the soil to continuously maintain plant health. Simply attach a recycled empty bottle to the spike and insert it into a predug hole in the soil, and they will automatically drip water. Wide range of application: Plant Watering Devices are suitable for a variety of pots to provide water for plants; simple and convenient to reduce watering trouble. Use scenarios 1. Vacation or away from home: fill a bottle, attach to the spike in your potted plant, and the soil stays moist for 2–3 days. 2. Hot or sunny conditions: maintain consistent moisture for indoor or outdoor pots on balconies or patios. 3. Greenhouses or herb pots: use different bottle sizes with the spikes to tailor moisture for each plant.