Hynes Eagle 40L Carry-On Luggage Backpack – Underseat 。Brand new, never worn, and in flawless condition — this versatile 40-liter travel backpack delivers a practical, organized design perfect for air travel, weekend getaways, and everyday carry. The construction is durable, water-resistant, and incredibly comfortable. ⭐️ Condition Brand New ? Measurements 18 × 14 × 8 inches ? Materials / Fabric Water resistant nylon ⭐️ Features Style: Travel backpack with suitcase-style opening Fit: Adjustable shoulder straps, padded back panel Capacity: 40L Includes 3 extra packing cubes (2 storage bags, 1 shoe bag) Built-in wet compartment pocket Padded electronics compartment Side umbrella/water bottle pockets Luggage strap on back ? Compartments 4 compartments, 5 pockets ? Carrying / Wearing Options Padded back panel, adjustable padded shoulder straps, luggage strap ? Practical Use Airline-approved carry on size, fits under seat or overhead bin, approved by Spirit, Frontier, JetBlue, and other budget airlines — perfect for 3-7 day trips, work travel, or as a personal item fast shipping, smoke-free home, bundle & save B0CJY9YYG6