Our 8-piece ceramic wine bottle watering spikes provide a consistent and efficient automatic watering solution for your plants just fill the wine bottle with water insert the spikes and let it drip slowly to keep your plants hydrated for days Green and Beneficial：Crafted from terracotta and enriched with iron elements, these watering devices are not only eco-friendly but also beneficial for plant growth. The terracotta material allows for controlled water seepage, promoting healthy root development. Great for indoor and outdoor use: Whether you have indoor potted plants or an outdoor garden these watering spikes are versatile and easy to use they are ideal for busy plant lovers who want to ensure their plants stay healthy without watering every day Suitable for a variety of plant types: These clay plant watering spikes are suitable for a variety of plants including flowers herbs and vegetables The 2.48/4.65 inch size ensures a secure fit and provides consistent moisture to plants in most soil types Easy to use and reusable: Simply insert the terracotta Self Watering Devices Self the soil and connect the wine bottle filled with water the spikes are reusable and easy to clean making them a sustainable choice for your gardening needs watering plant indoor water outdoor planter pots pot spikes terracotta can planters garden clay irrigation waterer automatic terra cotta bulbs globe insert bottle kit stake potted