Tree Watering Rings, 4 Pcs 20 Gallons Tree Watering Bags, 6-9 Hours Slow Release, Refillable Planting Water Bags, Water Saving, Heavy Duty Watering System for Shrub Tree Root Drip IrrigationProduct Features Promote Healthy Tree Growth Each tree watering bag holds up to 20 gallons (75. 5L) of water and slowly releases it over 5 to 8 hours, fill 1 to 2 time per week or as needed. This ensures deep hydration, directly reaching the tree roots. Ideal for newly transplanted trees or trees in hot summer conditions, providing them with the moisture they need for healthy growth. Durable & Reliable Quality Made from strong, weather resistant PVC