【High-efficiency vacuum compression system】This vacuum travel backpack uses advanced vacuum compression technology to maximize packing efficiency. It is equipped with a suction valve chamber that supports a plug-in vacuum pump for rapid compression, or can be manually pressed to release air, effectively reducing wasted space and significantly increasing packing capacity, providing a convenient storage solution for your travels.

【Portable Vacuum Pump Device:】This storage backpack is equipped with a portable vacuum pump, allowing you to perform vacuum compression operations anytime, anywhere. Whether you need to quickly compress luggage or flexibly adjust packaging space, it can handle it with ease.

【Essential for Travel and Daily Use】The main compartment of this vacuum travel backpack is spacious and organized, allowing you to neatly store all your travel essentials. The front padded compartment is specifically designed for safely storing a 16.5-inch laptop, while also accommodating small daily items. The side pockets are convenient for holding water bottles, making it an ideal choice for both travel and daily use, helping you keep your luggage organized and tidy.

【Large Capacity Expandable Design】This compression backpack measures 45 x 30 x 16 cm and can be expanded to 28 liters after vacuum compression. It offers ample storage space to accommodate various items from your luggage, allowing you to carry more essentials during your travels.