36L-55L Expandable 18 Inch Laptop Backpack, Large Capacity
36L-55L Expandable 18 Inch Laptop Backpack, Large Capacity, Waterproof, Carry On Backpack for Men Women, with USB Port, Luggage Strap and Chest Buckle, Travel School Collage backpack, Black Check Offer Price EXPANDABLE 55L CAPACITY: Easily expands from a 36L daily commuter bag (14cm depth) to a 55L travel backpack (24cm depth) by unzipping the side expansion zipper. The dimensions are 46cm x 30cm, making it perfect for daily life or extended travel. TRAVEL-FRIENDLY FEATURES: Equipped with an external USB charging port to keep your devices powered while walking (power bank not included). A sturdy luggage strap on the back allows...