Large Capacity - Water ball with 8.5cm diameter, each water ball with a capacity of 300ml can water plants for up to 2 weeks, saving time. The duration of dripping depends on the soil moisture and the puncture angle. Easy to use - Insert the water ball filled with water directly into the soil, the water will be released slowly and water your plants automatically and provides the water your plants need every day. Plant Watering Ball - Water ball made of high quality PP, durable, not afraid of outdoor sunlight, not easy to break. You can clearly see the remaining water in the watering ball. Wide ApplicationsWhether your plants are indoors, outdoors or in the garden, whether at home or in the office, creating an automatic watering system can ensure that your plants always have enough moisture. Ideal for potted plants, indoor plants, patio plants, hanging baskets, pots, hanging plants and outdoor gardens. Self-wateringThe automatic watering system is a good helper for gardening, you don't need to take care of the plants every day, it can prevent overwatering and make plants healthier.