What it is: This flight-approved Sinaliy backpack (16.9x11.8x7.87 inches) skips extra luggage fees. It features a USB charging hole, waterproof material, and a small waterproof pouch for toiletries. The multi-pocket design includes a padded 16-inch laptop compartment, wet pocket, and organizational slots. With 180-degree opening for easy packing, 2 carrying modes (backpack/briefcase), and premium details like breathable straps and reinforced zippers, it’s ideal for air travel, college, work, or weekend trips.