This Vacuum Compression Laptop Backpack offers an ultra-large capacity with a one-way air valve, allowing you to easily compress the contents by hand. Its multi-compartment design includes numerous pockets and a 180-degree open-flat section that can accommodate up to a 17-inch laptop. Made from waterproof Oxford fabric, this backpack is both durable and expandable, making it ideal for travel. It is also equipped with a secure combination lock for added safety. Available in black, gray, light gray, army green, and dark blue, this backpack is perfect for business trips and various travel needs. Customize it with your logo for a personalized touch. Measuring 19.29*12.60 inches, this custom vacuum compression laptop backpack. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: Portable, durable, practical for daily use.