Large Vacuum Travel Backpack with Pump for Women,Airback Personal Item Carry on Backpacks Flight Approved 18x14x8 inches for Men,Laptop Waterproof Work Compression bags Casual Daypack,Black

??Vacuum Compression - Vacuum compression maximizes packaging efficiency! Our systems are equipped with one-way suction valve chambers that allow you to use an electric vacuum pump for fast compression, or manually press to release air. This reduces wasted space and maximizes packaging capacity. ??vacuum pumps - The backpack comes with a portable vacuum pump for easy carrying on the go. It also comes with a variety of pumping port accessories, which can meet different pumping needs, whether it is to quickly compress your luggage or adjust the packing space, it can provide you with great convenience. ??VACUUM BACKPACK - The size of the bag is 42*29*15CM. Using the vacuum compression function, you can effectively save the space and improve the space utilization of the backpack. ??Travel and Daily Essentials - With this backpack, you can effortlessly keep your luggage organized! With a spacious main compartment for all your travel essentials, a padded front compartment that securely holds a 17-inch laptop as well as small items for everyday use, and side pockets for water bottles, it's ideal for travel or everyday use. ??Waterproof & Design - This travel backpack is made of high-density waterproof material to keep your belongings dry and protected. In addition, there are luggage straps on the back that allow the backpack to be secured to a luggage rack and provide convenience.