High Quality Terracotta ClayThe plant watering devices are made of premium terracotta clay, which is durable, has good permeability and weatherproof. Porous material prevents water from dripping out of bottles when plant watering tips are reversed, allows water to flow through slowly. The wetter the soil, the slower the drip. Precise and EfficientWhen the potted soil is dry, this spike will gradually drip accurately. When the soil is sufficiently moist, the drip will automatically stop. You can also add liquid plant food to stimulate growth. Easy to UseThe potted plant watering stakes are designed to work with long-necked bottles, such as jar bottles. wine and beer bottles, just fill a bottle and insert the terracotta water trough into the ground, fill the bottle or wine bottle with water, connect the bottle with pegs and turn it upside down. Enjoy your vacationEnjoy time with your family, your plants leave me. Use self watering spikes, you can go relax without having to worry about your plants. Our ideal automatic watering system for watering indoor flowers, outdoor plants or your vegetables during the holidays. Multi-scene applicationThese terracotta ollas to bury allow you to travel without care about your plants. They are suitable for both indoors and outdoors. Use them with your potted or hanging plants, small trees and vegetables in your home, garden or office. Great gift for beginners, gardeners, environmentalists and also for yourself potted plants.