- 40L Large Capacity: Perfect for 3-5 day trips, this travel backpack can accommodate clothing, shoes, toiletries, and tech essentials like a 17-inch laptop and a 12-inch iPad. Side straps compress the bag for a more manageable size when fully packed. - Airline-Compatible Design: Measuring 18 x 14 x 8 inches, this backpack meets personal item size requirements for most airlines. Conveniently attaches to your luggage set and fits under the seat in front of you, making it an ideal travel companion. - Organized Compartments: Features 4 main compartments and 3 packing cubes for efficient organization. Separate packing cubes for shoes, toiletries, and undergarments keep your items tidy. Includes a side pocket for water bottles and umbrellas, as well as dry and wet compartments for towels and toiletries. - Durable and Comfortable: Constructed from waterproof and reinforced polyester for long-lasting use. Reinforced shoulder straps and zippers ensure reliable durability. Padded shoulder straps and side handles provide comfort during transport. - Innovative Box Structure: Expanding 180° allows for easy packing and access. A dedicated compartment for electronic devices simplifies the security process during travel, enabling quick retrieval when needed. - Practical Use Scenarios: - Ideal for weekend getaways, allowing you to pack efficiently without sacrificing essential items. - Perfect for business trips, with ample space for your laptop and work documents while keeping everything organized. - Great for outdoor adventures, as the waterproof material protects your gear from the elements. This travel backpack combines functionality, comfort, and durability to enhance your travel experience.