Embark on your next adventure with confidence and convenience with the 40L Carry-on Travel Backpack. Designed for the modern traveler, this versatile backpack combines functionality, durability, and style to meet all your travel needs. With its expandable capacity, water-resistant construction, and sleek grey design, it's the perfect companion for weekend getaways, business trips, and international travel.

1. Expandable Capacity: The backpack features a main compartment with a zippered expansion panel, allowing you to increase the storage capacity from 35 liters to 40 liters, providing ample space for your belongings while still meeting most airlines' carry-on size restrictions.

2. Water-Resistant Construction: Made from high-quality water-resistant materials, including durable polyester and water-repellent zippers, this backpack keeps your belongings safe and dry in light rain or inclement weather conditions.

3. Ergonomic Design: The backpack is equipped with adjustable padded shoulder straps, a breathable mesh back panel, and a sternum strap, providing comfort and support during long hours of travel.

4. Multiple Compartments: With multiple compartments and pockets, including a padded laptop sleeve, a front organizer pocket, and side water bottle pockets, the backpack offers efficient organization and easy access to your essentials.

5. TSA-Friendly Design: The backpack features a lay-flat design, allowing you to pass through airport security checkpoints without removing your laptop or electronic devices, saving you time and hassle during travel.

6. Luggage Sleeve: The back panel of the backpack features a luggage sleeve that allows you to securely attach it to your suitcase or carry-on luggage, making it easy to transport and maneuver through crowded airports or train stations.

7. Built-In USB Port: The backpack includes a built-in USB port and a charging cable, allowing you to conveniently charge your electronic devices on the go (power bank not included).

- Product Type: Travel Backpack

- Capacity: 35-40 Liters

- Material: Polyester

- Color: Grey

- Laptop Compartment: Yes, padded laptop sleeve

- Water-Resistant: Yes

- USB Port: Yes

Upgrade your travel experience with the 40L Carry-on Travel Backpack. Whether you're jet-setting across the globe or exploring new destinations closer to home, this versatile and functional backpack provides the storage space, organization, and durability you need to travel with ease and style.