





Expandable Laptop Backpack with USB Port, 20 to 35 L
$123.90
10% off your first order
with the code BIENVENUE10
Offer valid until Sunday, October 25
- Free shipping
- 30-day returns
- Secure payment
Specifications
- Dimensions: 46 x 30 x 14 cm (18.1 x 11.8 x 5.5 in), expands to 24 cm (9.4 in)
- Capacity: 20 to 35 liters
- Materials: patent leather outer, polyester lining
- Main compartment + zippered pockets + inner compartments
- Built-in USB port (power bank not included)
- Suitable for a laptop, documents and accessories
- Unisex design and elegant business style
- Colors available: black and gray
- Carrying system with comfortable curved straps
Description
An expandable laptop backpack, waterproof, from 20 to 35 L
This modern expandable laptop backpack combines elegance and function to go with you through your busy days. With its expandable construction, it switches in an instant from a flat, elegant format to a large, practical one by gaining 10 cm (3.9 in) in depth. With a built-in USB port, it lets you charge your phone easily on the move. Made with a waterproof patent leather material, it protects your belongings effectively from moisture. Its expandable capacity of 20 to 35 liters, its multiple compartments and its well-thought-out pockets give optimal organization, whether for work, travel or daily commutes. Its understated, professional design suits women and men equally well. It measures 46 x 30 x 14 cm (18.1 x 11.8 x 5.5 in) and expands to 24 cm (9.4 in).
An ideal backpack for your daily journeys
With its ergonomic adjustable straps, its padded back and its tough fabric, this bag gives excellent carrying comfort even when loaded. Compact yet spacious, it can hold a laptop and everything you need for a full day. With its unisex design and elegant business style, it is also an expandable business backpack.
If you carry a laptop every day, discover our men’s small faux leather laptop backpack in our laptop backpacks collection. You will also find this model among our waterproof backpacks.
Shipping & returns
Shipping
Free tracked shipping to the United States, in 7 to 12 business days.
As soon as your order ships, you receive an email with a tracking link.
Returns
You have 30 days from delivery to request a return.
See our return policy for the conditions.
Why choose us?
At Galerie Sac à Dos, we believe a bag does more than carry your things.
It goes with you through your days, your plans and your getaways, and reflects the way you live.
That is why every style in our collection is carefully selected to combine style, comfort and durability, with no compromise.
Backpacks designed for real life
For work, classes, travel, hiking or family outings, our bags adapt to every use.
Well-planned compartments, sturdy materials and careful comfort. Every detail counts to make your everyday life easier.
Style and function together
Every style combines careful design with modern practicality.
Classic, sporty or colorful, your bag stays practical, comfortable and true to your style.
Tested quality, lasting finishes
We favor durable materials (premium canvas, vegan leather, high-density polyester) and reinforced stitching, for a bag that keeps its shape and lasts.
A responsible and transparent selection
No overproduction and no empty promises, only pieces chosen for their reliability, their comfort and their timeless look.
Your satisfaction first
Free shipping, easy 30-day returns and responsive customer service, because buying online should be as simple and enjoyable as planning your next adventure.
About Galerie Sac à Dos
At Galerie Sac à Dos, we believe a good bag can change the way you live, travel and express yourself.
We don’t make bags, we select them. Every style is carefully chosen from suppliers who share our values: quality, comfort and lasting style.
From the clean-lined city bag to the rugged hiking backpack, and the kids’ styles too, every piece reflects our standards: thoughtful design, reliable materials and a timeless look.
No passing trends, no compromise. Just bags made to stay with you for a long time, with confidence and personality.
Frequently Asked Questions
Are the materials durable and environmentally friendly?
We favor suppliers that use strong, quality materials, selected for their durability and their lower impact on the environment.
Does the product look exactly like the photos on the site?
Absolutely. All our photos are taken of the real products, with no misleading retouching. Colors may vary slightly depending on the lighting or the screen you use.
How do I track my order?
As soon as your order ships, you receive an email with a tracking link to follow your package in real time.
Is payment on your site secure?
Yes, we use SSL security, which keeps your data private and protected. Your payment details are never stored.
What should I do if my package does not arrive or arrives damaged?
Contact our customer service right away. We will open an investigation with the carrier and, if needed, arrange a replacement or a refund as quickly as possible.
How can I contact you with a question before or after my order?
You can contact us through the contact form on the site or by email at contact@galeriesacados.com. We reply within 24 business hours.





