UNIVERSITY CITY Vacuum Expandable Trolley Backpack Large Capacity Scalable Business Travel Bag

This 21-inch expandable trolley backpack in upgraded Black delivers a large-capacity, scalable solution for business travel.

Built from Oxford cloth with a polyester lining, it presents a solid-color exterior in a neutral, unisex design suitable for both men and women. The bag emphasizes breathability for comfort on longer trips and daily commutes alike.

• Pattern: solid color
• Lining texture: Polyester
• Material: Oxford cloth
• Color: upgraded Black
• Applicable scenarios: Business travel
• Applicable gender: neutral/both men and women
• Function: breathable
• Size: 21 inches
• Bearing system: Curved shoulder strap
• Packing list: Backpack × 1

The design combines practicality with a clean, professional look, making it a practical choice for scalable packing needs without compromising style.