1. Expandable Travel Backpack 30L - 40L: This unisex travel backpack measures 44*30*22 cm when not expanded, with a maximum capacity of 30 liters. When expanded, it measures 44*30*30 cm, with a maximum capacity of 40 liters, and can hold a 17.3-inch laptop and a 12.9-inch iPad. It features a USB port, a secure back pocket, a side water bottle pocket, and a shoe pocket. Fully functional, it is ideal for 5-7 day trips.

2. Convenient USB Port: This travel backpack has an external USB charger and a built-in charging cable on the side. This allows for convenient charging of your phone, preventing you from missing any information. Please note that this oversized backpack does not provide any power source and does not include a portable power bank or data cable. The USB charging port only provides a convenient charging option.



3. Best Gift: This travel-sized backpack can be converted in multiple ways (laptop backpack/shoulder bag/travel bag/business bag). This expandable travel backpack is versatile and can be used as a business bag, long-distance hiking bag, work bag for men and women, carry-on luggage, etc. This large expandable travel backpack is perfect for short trips, excursions, school, daily work, etc. It is also an excellent birthday gift for men and women.