Refined Title: USB Charging Travel Backpack - 42L for Adults

Expandable and Large Capacity: Perfect for Your Diverse Travel Needs

• Expandable Design: With a normal capacity of 38L and dimensions of 22" x 14" x 8", and when expanded, a capacity of 45L with dimensions of 22" x 14" x 10", this backpack adapts to your needs while fitting overhead and under seat compartments on most flights.
• Unisex Large Carryon: Ideal for both business and weekend travel, this backpack fits standard carry-on sizes. Its lightweight and easy-to-carry design makes it perfect for daily use.

Interior Organization: Keep Your Items Organized

• Wet and Dry Pockets: Separate compartments are perfect for keeping your towels and toiletries dry and separate.
• Mesh Zipper Pocket: Securely store your passports, wallets, cards, and notes in the mesh pocket, making them easily accessible.
• Front and Access Pockets: Additional pockets on the front and main compartment help keep all your items organized.

Back of the Travel Bag: Enhanced Security and Convenience

• Luggage Strap: Attach the travel backpack to your suitcase using the luggage strap for added security.
• Anti-Theft Back Pocket: The anti-theft, padded compartment is ideal for your valuables.
• Chest Buckle and Padded Shoulder Straps: Reduces back pressure and ensures a comfortable, secure fit.

Durable and Functional: Quality Construction

• Water Resistant Fabric: Made of high-quality, water-resistant fabric with SBS zippers, this backpack is durable and long-lasting.
• Padded Laptop Compartment: The separate, padded laptop compartment accommodates laptops, macs, notebooks, and tablets up to 18 inches.
• TSA-Friendly Design: The expandable design allows for a full 180-degree opening for easy access through airport security.

Enhanced Convenience: Charging on the Go

• External USB Charger Port: This backpack includes an external USB charger port and a built-in charging cable, allowing you to charge your smart devices while walking. Suitable for users over three years old.

With its expandable design, spacious capacity, and thoughtful features, this backpack is the perfect solution for your travels.