Features: The expandable travel backpack features a in vacuum compression design with a pump, maximizing storage space by compacting bulky clothing. Constructed with practical waterproof nylon, this backpack includes padded shoulder strap, a chest strap, and reinforced stitching for enhancing comfort and stability during extended use. Dry wet separation, while multiple pockets ensuring quick item retrieval, perfect for long trip or business travel. Great for frequent traveler, outdoor enthusiast, and professionals needing organized storage for laptops, toiletries, and workout gear during multi day trip. Designed for easy packing during business trip, gym , or beach vacations, its 180 degree clamshell opening allows easy access like a suitcase. Specifications: Component: Nylon Optional Color: As picture shown Size:approx. As picture shown Quantity: 1pc Package Includes: 1pc Expandable Vacuum Compression Backpack note: Please allow 1-3cm error due to manual measurement. please sure you not mind before you bid. Due to difference between different monitors, the picture may not reflect the actual color.