MATERIAL:Made from premium terracotta and PS,non-friable,good permeability,can clearly see the amount of water inside,prevents water from overflowing and losing any soil and valuable nutrients. EAST TO USE:Just fill water in the watering plant bulb and then insert it into soil,and the water slowly out,eliminating the trouble of watering every day.By observing the transparent body of the bird,you can know how much water is used and whether you need to add water. AUTOMATIC PLANT CARE:Create a self-watering system to your plants always have enough moisture without having to water everyday,watering plants perfectly for up to 2 weeks.Self watering item are a simple and effective way of watering your plants when you are on vacation Convenient:Plant flower automatic watering bulb ball irrigation tool,watering plants perfectly for up to 1 weeks.Self watering item are a simple and effective way of watering your plants when you are on vacation WIDE USE:Whether your plants are indoor or outdoor