【SMART DESIGN】Our irrigation bag holds 56 liters. 14.5 cm central opening, 90 cm external diameter. Large quality screw cap, non-return valve for hassle-free filling with your garden hose. 【DEEP IRRIGATION】Our pvc tree watering bag in 4 to 7 hours, the soil is deeply hydrated, The slow and continuous humidification of the soil by the water droplets keeps the tree's root system hydrated during. 【EXCEPTIONAL STRENGTH AND DURABILITY】Watering bag made of high quality PVC, UV stabilized. Tear-resistant fabric, durable and reusable. And our watering bag prevents water from evaporating. 【EASY TO USE】Place the watering bag around the trunk, fill it with your preferred method (hose, garden hose), and watch it work automatically. No special tools required. 【WIDELY USED】Our automatic garden watering system prevents water shortage during dry periods for fruit trees and young trees, and is very suitable for the growth of young trees and fruit trees. Note: The data are all measured manually, please