Introducing the High-Capacity Vacuum Compression Travel Backpack. This advanced travel backpack features a built-in vacuum compression system that allows for quick air expulsion by simply pressing, eliminating the need for a pump and maximizing storage capacity. It includes a luggage strap on the back for easy attachment to a suitcase and comes with a secure combination lock. The backpack can open 180 degrees for convenient packing and unpacking. Ideal for travel, it combines innovation, security, and ease of use. Made from oxford fabric material, measuring 12.60*7.87*19.69 inches, this custom high-capacity vacuum compression travel 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.