This tree watering ring provides reliable hydration for newly planted or drought-sensitive trees. With 16 gallons (60.6L) capacity, the bag releases water slowly over 5 to 8 hours, nourishing the tree roots. It reduces the need for frequent manual watering, saving water, time, effort, and money. | Vevor | | Tree Watering Rings, 4 Pcs 16 Gallons Tree Watering Bags, 6-9 Hours Slow Release, Refillable Planting Water Bags | Brown | Best Buy