【Revolutionary Vacuum Compression Technology】 The Black Voyage backpack features an integrated vacuum compression system with a built-in air pump, capable of storing 18-20 spring garments and reducing storage space by over 50% (even more for down jackets). When fully expanded, the backpack achieves an impressive 60L capacity, comparable to a 24-inch suitcase. 【Versatile Air Pump with Multifunctional Features】The included multifunctional air pump handles deflation and inflation tasks (perfect for items like swimming rings). This vacuum travel backpack with pump is ideal for maximizing space, making it perfect for frequent flyers, minimalist packers, or anyone needing efficient travel backpack vacuum compression. 【Your Ideal Travel Companion】The Black Voyage backpack comes equipped with a TSA-approved combination lock, USB 4.0 charging ports, a luggage attachment strap, thickened and widened shoulder straps, breathable materials, and high-quality zippers. A travel backpack vacuum compression system ensures you carry more with less bulk - perfect for organized, space-saving trips. 【Multiple Compartments and Pockets】Designed for versatility, the Black Voyage backpack includes multiple compartments such as a wet/dry separation layer, water bottle pocket, power bank pocket, thermal bag, anti-theft pocket, padded compartments for tablets and 19" laptops, a multi-functional organizer, and the integrated vacuum bag. It's built to hold all the essentials for your journey. 【Nylon Waterproof Material】Crafted from durable Nylon with waterproof coating, the Black Voyage backpack features a vacuum compression bag made from high-performance TPU material that is both odor-proof and waterproof. Its sleek design, durable construction supporting up to 30kg, and multifunctional features make it a meaningful and practical gift for yourself, your family, or your friends. Air Compression Vacuum-Seal：BlackVoyage vacuum compression backpacks features the air-seal valve chambers, where the bag can instantly give you storage space.