Adjustable drawstring design: easy to install and keeps the bag stably fixed on the leaf blower during use. The interface opening has a diameter of 4.3 inches, making it compatible with most leaf blowers. Bottom zipper design: a zipper at the bottom allows leaves or debris to be emptied quickly without dumping, making cleaning and disposal much easier. Large capacity: holds 4050 gallons of leaves and dust, providing strong loadbearing capacity and reducing the need for frequent dumping. Suitable for handling substantial amounts of debris in one session. Material: made of Oxford cloth, lightweight yet durable. quality construction helps prevent cracking, with a smooth surface that resists scratches and wear. Compatibility and performance: specifically designed as a cordless leaf vacuum bag to work with leaf blowers, offering a practical solution for collecting debris during operation. Use scenarios: 1) Home yard cleanup in autumn: attach to a cordless leaf blower to collect fallen leaves in one pass, then empty via the bottom zipper. 2) Garden and patio maintenance: collect grass clippings, small branches, and garden dust without frequent trips to the disposal site. 3) Smallproperty or park tidying: large 4050 gallon capacity reduces dumping frequency during routine driveways, sidewalks, or pathway cleanup. Summary: a durable, capacity leaf collection bag that fits most leaf blowers, simplifies debris collection, and minimizes downtime with its easytoempty bottom zipper and sturdy Oxford cloth construction.