Expandable Travel Backpack Large Capacity Work Bag 30L 40L OEM ODM

• Flexibel Volume Expansion: Features an adjustable perimeter expansion zipper that expands the physical depth from 20cm to 26cm, increasing cargo volume from 30L to 40L for long trips.
• Dual Front Curved Pockets: Features two stacked front zippered compartments with an upper arched organizer and a lower U-shaped pouch for rapid retrieval of travel necessities.
• Integrated Power Hub: Incorporates an advanced external USB interface allowing busy commuters to charge electronic devices continuously without opening the main compartment.
• Ergonomic Airflow System: Engineered with thick multi-panel ventilated foam cushioning paired with a heavy-duty trolley strap and a concealed rear anti-theft zipper compartment.
• Multi-Layer Tech Storage: Utilizes a massive independent electronic section with thick cushioning layers to safely isolate a full-sized work computer and tablet simultaneously.

As a premier custom backpack manufacturer, we turn your design sketches/tech pack or physical samples into high-performance products. We offer full customization of colors, logos, zippers, hardware, and printing. From rising private labels to global brands, we deliver elite craftsmanship, flexible production, and total design confidentiality.

We eliminate legal and logistical hurdles for your import business. Our factory and materials comply with the world's strictest safety, environmental, and ethical standards.

• Sustainability & Green Certification: Fully GRS Certified for traceable, sustainable recycled material sourcing, heavily utilizing RPET eco-textiles.
• North American & European Safety: Fully compliant with Prop 65 (chemical-safe/non-toxic), RoHS, and REACH.
• Ethical Manufacturing: Socially responsible and audited by BSCI.
• Elite Brand Authorization: FAMA certified (Disney Facility and Merchandise Authorization) for the highest security and workplace standards.