With the 12 watering spikes, you can automatically water your plants and flowers during a hot summer or while you're on vacation. Simply insert a filled PET-bottle into the watering spikes and bury them in the soil. When the soil becomes dry, water seeps through the permeable material, ensuring a consistent water supply. This way, you can go about your plans worry-free while ensuring your green treasures are well-watered. Set of 12 Clay Cones in Detail - Dimensions H x W x D: approx. 17 x 5.5 x 5 cm- Opening W x D: approx. 3.5 x 3.5 cm- Weight: approx. 110 g each- Material: Ceramic- Colour: Terracotta Watering Cones for Plant Irrigation - Suitable for indoor plants, balcony boxes, raised beds, and more- Automatic watering of plants for several days- Irrigation system compatible with wine and PET bottles up to 1.5 liters- Permeable clay for customised water release- Ideal for vacation trips, the office, or for those who aren't fond of watering Included in Delivery - 12x Water