BOXSAM Large Vacuum Travel Backpack with Pump for Women, 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.

^^ Travel and Daily Essentials - With this backpack, you can effortlessly keep your luggage organized! With a spacious main compartment for all your travel essentials. ^^ 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. ^^ Airline Approved Backpack - Save on check-in fees by meeting major airline carry-on baggage size standards. Reduces the risk of lost luggage.

The back can be snapped on to the trolley handle to create an integrated mobility solution, allowing you to travel through airports with ease.