- EXPANDABLE & LARGE CAPACITY: The travel backpack features an expandable layer for extra packing space. Size: 17.3212.26.7+1.57 inch. Unzip to 40L storage and it easily fits packing cubes, a makeup bag, outfits, a camera bag and gear. Ideal for men, women, weekend travelers, or occasional vacationers. With personal item sizing, you can pass airport security with ease. - PLENTY OF POCKETS & 17.3 INCH LAPTOP COMPATIBLE: Padded laptop compartment protects a 17.3 inch laptop. Large main compartment with many hidden pockets. Includes two toiletry bags for hair and bath products. - LUGGAGE BELT & ANTI-THEFT POCKET: Luggage belt design lets you fix the bag to a suitcase for easier travel. A hidden anti-theft pocket on the lower back protects valuables such as wallet, passport and ID. - DURABLE & WEATHER-READY: Made of water-resistant and anti-scratch polyester with good air permeability and heat dissipation. Protects contents on drizzle days. Sturdy zippers and durable stitching ensure reliable use on weekend getaways. - CONVERTIBLE DESIGN: Hideaway padded shoulder straps store in the zippered back panel, transforming from carry-on duffel to briefcase style via the side handle for flexible carrying. - USE SCENARIOS: Perfect for a weekend trip or business travel with a laptop and toiletries; convenient as a carry-on with a personal item; suitable for city breaks or hotel-to-urban Exploring while keeping essentials secure.