Optimized water delivery: This tree watering bag provides a reliable 20-day irrigation cycle to keep plants consistently hydrated. It supports healthier root systems and helps reduce drought stress through advanced precision valve technology that ensures balanced liquid delivery. Easy to use: The tree watering bag offers precise flow regulation with twist stops, enabling self-watering that adapts to diverse plant needs and helps maintain an optimal daily water supply. Easy installation: The tree watering bag is quick to install and ready for automatic operation, simplifying maintenance and setup. Frost-tolerant, durable build: Constructed from cold-resistant PE material, this watering bag withstands freezing conditions down to -10 C. It resists wear from repeated use, enhancing durability and minimizing environmental impact. Use scenarios - Urban and landscape trees: Ideal for street trees, parks, or large landscapes where curbside or ground-level irrigation is difficult to manage. Provides steady moisture over a 20-day cycle with minimal hands-on maintenance. - Newly planted trees and saplings: Supports root establishment after planting or transplantation by delivering steady, site-appropriate irrigation that matches varied plant needs. - Drought-prone regions or seasonal dryness: Helps maintain soil moisture during dry spells, reducing the need for frequent watering while promoting healthy growth.