4PCS Plant Self Watering Spikes, Garden Plant Watering Devices,Automatic IrrigaSelf Watering: It will draw into the pot as the plant needs. And automatically adjust amount upon soil . Simple and effective ways to your plants when you are on vacation, business trip or forgetting to them. Save your and energy. With self adjustment of , this device can make your plants receive the correct amount of . Provides straight to the plants , suitable for most and indoor plants. Made from ceramic and , high quality and long lasting. Fits