Assistant: This watering ball is suitable for potted plants that require little watering. Self-watering balls suitable for watering during holidays, don't worry about dry or too much water. High-quality material: They are made of PVC, which is more durable than glass watering balls (glass watering balls are too fragile). If it is damaged during transportation, please contact us at any time, we will give you a satisfactory answer. Small size - 13 x 5 cm / 5.12 x 1.96 inches. Transparent designs: Practical, the self-watering balls, bring life to your plants. With clear body design, you can see how much water is left in the water ball, which helps you remember to refill water in time. 3 easy steps: Easy to fill with water and use. ① Fill the water balls with water; Wrap the spout with a sponge or permeable cloth to prevent clogging; Dig Use other tools to dig a hole in the soil and then insert the water bird into it. Perfect decoration and enjoy your holiday: This set of 12 self-watering balls is smaller in size for smaller plants or occasional gardening. It is not only a good helper for your plants, but also an attractive decoration for houses, patio, garden and greenhouse, office, bedroom doorway. It will automatically water your plants for up to 4-5 days, saving more time to do other meaningful things. Take a long vacation with your family or friends and enjoy your happy time!