Say goodbye to the hassle of juggling multiple bags. Engineered for the modern professional, the NST BOX travel backpack combines functionality, durability, and style. Whether navigating through a busy airport, commuting to work, or heading out for a weekend getaway, this 40L backpack offers everything you need to stay organized, secure, and comfortable. Expandable Carry-on Bag Always be ready for whatever the day—or your travels—brings. This travel laptop backpack expands from 20-liter to 40-liter to accommodate your belongings and travel essentials. 20L dimensions: 17.5 x 11.4 x 7.4 inches (45 x 29 x 19 cm) Multiple Compartments Main compartment with built-in straps accommodates up to 10 pieces of clothingInterior wet pouch for liquids and toiletriesInterior mesh bag for irregularly shaped itemsFront compartment with pockets for books, gadgets, and small itemsPadded back compartment fits up to a 17-inch laptopSide pockets for holding a water bottle or umbrella Versatile Carrying Options Whether heading to the office or jet-setting across the globe, this bag adapts to your travel style. Our luggage backpack has 2 handles, top and side, allowing you to carry the backpack suitcase vertically or horizontally. It has a luggage strap for easy attachment to a trolley case. Ergonomic Support Carry your belongings easily and comfortably. The backpack’s ergonomic design distributes weight evenly, minimizing strain and reducing pressure on your shoulders and neck. Breathable, padded shoulder straps can be hidden when not in usePadded, ventilated back panelEasy-to-pull, smooth, and water-resistant zippersReinforced stitching at the handles and shoulder joints Waterproof and Anti-Theft Design This laptop travel backpack features anti-theft locks for added security. The durable waterproof PVC material is designed to withstand the demands of daily use and adventurous travel. Pack smart with the NST BOX expandable travel backpack!