Your Ultimate Travel Companion: 4-Compartment FocusBags® Expandable Backpack with Laptop USB Charging Interface” Discover the perfect travel partner in our versatile backpack, that meets all your travel needs. With 4 storage compartments, including an expandable main compartment, this backpack ensures space for all your essentials. Featuring a built-in USB charging interface and a dedicated compartment for a 15.6-inch laptop and a 7.9-inch tablet, it’s both functional and efficient. Key Features: 4 Storage Compartments: Each main storage section includes additional compartments for smaller items, maximizing organization. Laptop-Friendly: The Expandable Computer USB Charger Splash-proof Rucksack has a dedicated compartment comfortably holds a 15.6-inch laptop and a 7.9-inch tablet. Expandable Design: Extend one of the main compartments to increase storage space as needed with our Expandable Notebook USB Charging Water-resistant Rucksack. USB Charging Interface: Stay connected when travelling with the built-in USB charging interface with our Adjustable Laptop Power-Bank Friendly Waterproof Backpack. Waterproof and Wear-Resistant: Crafted from durable waterproof materials, this backpack ensures easy maintenance and reliability. Versatile Carry: Top and side handles offer multiple carrying options, while the S-type shoulder strap design ensures comfortable wear. Trolley Attachment: Equipped with a fixed belt at the back for easy attachment to a trolley. Specifications: Capacity: 19 litres (Expandable to 29 litres) Size: 48.5cm x 12.5cm x 31cm (Width: 12.5cm to 17cm when extended) What’s Included: 1 x Expandable Laptop USB Charging Waterproof Backpack Make every trip a breeze with our FocusBags® Expandable Backpack Notebook Power Supply Water-resistant Daypack. Order yours today for an unparalleled travel experience!