This tree watering bag is made of sturdy and durable PVC material, boasting excellent outdoor weather resistance. It can withstand wind, sun, and rain, ensuring long-term use. It is a slow-release watering marvel. It only takes a few minutes to complete the water filling and installation process. It can provide continuous drip irrigation for 5 to 7 hours, precisely delivering water to the tree roots. This not only saves the time and effort spent on frequent watering but also avoids water waste. Whether it's newly planted saplings or mature trees that have taken root and grown, as long as the trunk diameter does not exceed 5 in., this watering bag can be used. Its operation is extremely simple, requiring only 2 steps: First, place the watering bag on a flat surface covered with mulch (note that using it on an unmulched or sloped surface may result in incomplete drainage). Then, insert a 1 in. Dia hose into the water inlet. After filling it with the required amount of water, lift the water filling handle and tighten the lid of the water inlet, and then the drip irrigation can start. With its simple and efficient design, tree maintenance becomes easy and professional.