wassdins Vacuum Travel Backpack with Pump for Women Men, Carry on Air Backpack for Flight Approved, Personal Item Luggage Backpacks

Strong Vacuum Compression: With a 40L capacity50% more than standard same-size backpacks (45x30x16CM / 17.711. 86.3", 3.5 lbs)it maximizes packing space. Includes a wired electric air pump with a US-standard plug. A unique zipper slider, pulled to one side, creates an airtight seal for efficient compression. ^^
Tough & Sealed Main Compartment: The main compartment is made of tear-resistant, soft composite material. Its waterproof zippers lock out air, liquids, and odors. Fully close the slider for a perfect vacuum seal, keeping contents protected and compact.
^^ Multi-Pocket Organization: Beyond the spacious main compartment, there are front pockets, interior combo pockets, and a dedicated 17-inch laptop sleeve. Separate shoe compartment, wet/dry partition, and stretchy side pockets (for umbrellas/water bottles) keep belongings neat. ^^
Ideal Air Travel Personal Item: Compact yet roomy, it meets airline carry-on standards to save checked baggage fees. Attach to rolling suitcases via travel straps. 180-degree opening allows quick security checksgreat for frequent flyers.
^^ Simple Vacuum Operation: Close the zipper fully, with the valves OUT side up. Insert the valve into the air pump, double-click the power button to evacuate air. Avoid pressing the pump too tightly to ensure smooth air extraction.