Package of 6 TreeGator Jr. Tree Watering Bags. Wrap the TreeGator Jr. around a tree trunk up to 5" in diameter, fill with water, and let it do the rest. It will irrigate a tree or shrub over a 5-8 hour time period with 100% water absorption. Perfect for newly planted trees, shrubs and evergreens. The TreeGator Junior only needs to be filled 1-3 times per week, depending on what diameter trunk you wrap around. For 1-2" diameters, fill once per week ; for 2-3" diameters, fill twice per week ; for 4-5" trunks, fill 3 times per week.