# Large Capacity Roller Backpack/Dual-Use Backpack
1. This product is a large-capacity roller backpack, usable as both a pull-along suitcase and a backpack, suitable for daily outings, school trips, and short journeys.
2. Made of polyester with a polyester lining, it is wear-resistant, lightweight, sturdy, and durable for long-term use.
3. Features one-way wheels for smooth and effortless pushing and pulling; equipped with an air-cushioned shoulder strap system for added comfort and reduced shoulder pressure when carrying on both shoulders.
4. Large capacity design, capable of storing books, clothing, daily necessities, etc., meeting various carrying needs and highly practical.
Item: MJZW4
# Usage and Maintenance Instructions
1. Keep the backpack stable when pushing or pulling, avoiding impact with hard objects; adjust the shoulder strap length for even weight distribution when carrying on both shoulders.
2. Clean with a soft cloth; for localized stains, gently hand wash and air dry naturally. Do not expose to direct sunlight for extended periods; store in a dry, well-ventilated place.
