Good water supply for potted plantsThis set of 4 watering spikes ensures that your beautiful houseplants have enough water, while you don't have to water daily. The spike's ceramic material lets just the right amount of water through and keeps the soil moist for your plants. Easy to use: the nozzle is pressed into the soil and filled with water. Now you don't have to worry about watering your plants with the help of this self-watering system. Set of 4 irrigation spikes Ceramic material for optimal water control Keeps the soil moist without overwatering Easy installation and use The watering spikes are designed to give your potted plants an even and reliable water supply. The ceramic material is the key to their effectiveness, as it slowly lets water through, thus preventing both overwatering and dehydration. This makes them perfect for both indoor and outdoor plants, whether you're at home or away. With these irrigation spikes you can enjoy lush and healthy plants without having to think about daily watering. Material: Ceramics Quantity: 4 pcs Use: Only with water Compatibility: Not for use with bottles or external water sources Note: Should be filled with water only. Do not connect with bottles or other external water source.