MOSISO Travel Backpack 40L TSA Friendly Carry on - Fits 17.3in Laptop

In this review of the MOSISO Travel Backpack the bottom line is simple: it is a practical, no-nonsense travel daypack for people who need organized storage and hassle-free airport movement. The pack's main selling point is a roomy 40L interior with a full open, TSA friendly laptop compartment that fits up to a 17.3in machine, which makes it especially useful for business travelers, students, and commuters who pack a lot but want to avoid checked luggage.

Key Features

• 40L large capacity: The spacious main compartment and multiple pockets let you carry clothes, tech, and daily essentials without cramming everything together.
• Fits 17.3in laptops: A dedicated laptop compartment opens 180 degrees for easy access and secures a large laptop for work or school.
• TSA friendly design: The bag meets airline personal item and carry on constraints so you can avoid checked baggage and speed through security.
• Built-in USB charging port: An external USB port with an internal cable gives convenient on-the-go charging access when you carry a power bank inside.
• Anti-theft back pocket and organizers: A rear zipper pocket and front accessory organizers keep important items secure and sorted while traveling.
• Luggage belt and multiple handles: The back luggage strap slides over a suitcase tube and top and side handles make short carries easier.

Who It's For

The MOSISO Travel Backpack is ideal for business travelers, college students, and commuters who need a large-capacity bag that still fits airline carry on or personal item rules. Its full open laptop compartment and organizers suit anyone who carries a 17.3in laptop along with chargers, documents, and a few changes of clothes.

Those who want a lightweight pack for ultralight day hikes or a specialized photographer bag with modular inserts should look elsewhere; this pack focuses on travel and daily carry rather than outdoor technical performance or camera-specific protection.

Pros & Cons

Pros

• Generous 40L capacity easily handles laptop, clothes, and work gear for short trips.
• Full 180-degree laptop compartment makes security and packing fast and practical.
• Integrated USB charging port provides convenient access to charging while walking.
• Anti-theft rear pocket and luggage strap improve security and travel convenience.

Cons

• The backpack does not include a power bank, so users must supply their own to use the USB port.
• The design prioritizes organization and capacity over lightweight or outdoor-specific features.

Specifications

Capacity	40L
Dimensions	20.5 x 13.4 x 9.06 in
Laptop compartment	Fits up to 17.3 in, full 180-degree opening
USB port	External USB port with internal charging cable (power bank not included)
Pockets	Main compartment, 2 front zipper pockets, back anti-theft zipper pocket
Luggage strap	Back luggage belt to slide over suitcase tube

Our Verdict

The MOSISO Travel Backpack is a solid choice for travelers and students who need generous organized space and a TSA friendly laptop compartment that fits a 17.3in device. It offers good value for users who prioritize capacity, organization, and the convenience of an external USB port while remembering that a separate power bank is required for charging on the go.

Frequently Asked Questions

Does this bag fit a 17.3in laptop?
Yes. The dedicated laptop compartment is sized to fit up to a 17.3in laptop and opens 180 degrees for easy access.

Is the USB port a power source?
No. The USB port provides convenient access to a charging cable inside the bag but requires a separate power bank to charge devices.

Can it be used as a carry on for flights?
Yes. The pack is designed to meet carry on and personal item requirements so it can fit under a seat or in an overhead bin on most airlines.