The Expandable Vacuum Compression Backpack revolutionizes packing efficiency with its innovative design. Boasting a vacuum isolation system, it features a dedicated compartment that, when paired with the included air pump, allows you to compress items tightly, maximizing space for bulky luggage. This backpack easily accommodates a 16-inch laptop in its secure padded sleeve. When more room is needed, its expandable structure adds extra thickness, increasing the storage capacity. The surface, crafted from a waterproof membrane fabric, safeguards your belongings against rain and spills. For comfort during extended wear, the back panel is constructed with high-density mesh for optimal breathability. On the side, a convenient handle and combination lock enhance portability and security. Personalize this backpack by adding your custom logo, making it a distinctive accessory that proudly showcases your brand. Made from oxford fabric material, measuring 18*12 inches, this custom expandable vacuum compression backpack. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Tailored branding: Supports logo imprint and design personalization. Product Highlights: Portable, durable, practical for daily use.