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Vacuum Seal Backpack: This travel backpack features a vacuumdesign with a built-in vacuumsystem and air pump, allowing you to pack 18-20 pieces of spring clothing while reducing storage space by over 50 . The air backpack is equipped with a one-way valve, preventing it from expanding after compression. You can manually press or use the pump to quickly compress the compartment volume, improving luggage space utilization.Tiny Portable Air Pump: Each inflatable backpack comes with a rechargeable air pump that can both inflate and deflate. This compact air pump is equipped with a variety of nozzles, making it suitable for a wide range of applications, and can be reused multiple times after a full charge.Attention for Zipper of Vacuum Bag:The air backpack uses a sealed zipper. To ensure the sealing function andair from entering, the zipper is slightly tight, so you need to apply considerable force when opening it. You should hold the zipper head with one hand and open the zipper with the other hand for smoother operation.Expandable Carry-On Backpack: This airback backpack features a large capacity and expandable design, providing additional space when needed to fully meet your storage needs. Standard dimensions: 47 x 32 x 22 cm 18.5 x 12.6 x 8.66 inches. When expanded, the capacity increases to 45 liters, with dimensions of 47 x 32 x 28 cm 18.5 x 12.6 x 11 inches. When fully unfolded, the capacity is equivalent to a 22-inch suitcase.Multi-functional Compartments: The travel backpack has multiple compartments and pockets to effectively organize your belongings. The separate wet pocket can beto store wet items separately; the laptop compartment can accommodate laptops up to 17 inches; the rearpocket can beto safely store valuables, ensuring the safety of your belongings during your trip.Carry on Flight Approved: This vacuum-sealed backpack opens 180 to help you quickly pass through security. You can take this vacuum-sealed backpack directly onto the plane, saving you time and energy. The USB charging port allows you to charge your mobile devices without opening the backpack. The luggage strap can beto secure the backpack to your suitcase.
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Vacuum Seal Backpack: This travel backpack features a vacuumdesign with a built-in vacuumsystem and air pump, allowing you to pack 18-20 pieces of spring clothing while reducing storage space by over 50 . The air backpack is equipped with a one-way valve, preventing it from expanding after compression. You can manually press or use the pump to quickly compress the compartment volume, improving luggage space utilization.Tiny Portable Air Pump: Each inflatable backpack comes with a rechargeable air pump that can both inflate and deflate. This compact air pump is equipped with a variety of nozzles, making it suitable for a wide range of applications, and can be reused multiple times after a full charge.Attention for Zipper of Vacuum Bag:The air backpack uses a sealed zipper. To ensure the sealing function andair from entering, the zipper is slightly tight, so you need to apply considerable force when opening it. You should hold the zipper head with one hand and open the zipper with the other hand for smoother operation.Expandable Carry-On Backpack: This airback backpack features a large capacity and expandable design, providing additional space when needed to fully meet your storage needs. Standard dimensions: 47 x 32 x 22 cm 18.5 x 12.6 x 8.66 inches. When expanded, the capacity increases to 45 liters, with dimensions of 47 x 32 x 28 cm 18.5 x 12.6 x 11 inches. When fully unfolded, the capacity is equivalent to a 22-inch suitcase.Multi-functional Compartments: The travel backpack has multiple compartments and pockets to effectively organize your belongings. The separate wet pocket can beto store wet items separately; the laptop compartment can accommodate laptops up to 17 inches; the rearpocket can beto safely store valuables, ensuring the safety of your belongings during your trip.Carry on Flight Approved: This vacuum-sealed backpack opens 180 to help you quickly pass through security. You can take this vacuum-sealed backpack directly onto the plane, saving you time and energy. The USB charging port allows you to charge your mobile devices without opening the backpack. The luggage strap can beto secure the backpack to your suitcase.

Space Saving Vacuum Compression: Utilize our advanced vacuumtechnology to maximize your packaging efficiency. The design of the one-way valve allows you to use our electric vacuum pump for rapidor manually press to release air. Up to 40 liters of clothing can be accommodated, enjoying optimized space where you no longer need to compromise on carrying or anything else.Multiple Compartments and Pockets: Features spacious compartments and multiple pockets, including a dry wet separation pocket to keep wet dry items separate, isolating damp clothes and odors, a shoe separation compartment. The laptop compartment holds a 15.6-inch laptop with a layer of thickened cushion. Additional features include a side bottle pocket, and an anti-theft pocket for your passport.Durable Design: This travel backpack with vacuum system is made of thickened polyester fiber that can be reused for many years and can withstand rainwater. The sturdy metal double zipper and upgraded reinforced stitching extend its lifespan. Adjustable padded shoulder straps and shock absorbing foam ensure all day comfort even on long trips.Flight Approval: Size 12.99 7.08 17.71 inches (L W H), 180 degree zipper closure, can help you quickly pass through security check. Meets the portable requirements of airlines and can be easily placed in overhead storage racks and under seats on the aircraft. The luggage strap on theallows the vacuum backpack travel to safely slide past any rolling luggage handle, making it convenient for hands-free transportation and easier to carry.You Will Receive: 1 travel backpack with a durable vacuum storage bag, plus 1 electric vacuum pump (more efficient and effortless than manual pumps).

The WIKISTORE Vacuum Compression Backpack redefines travel efficiency with its advanced 55L expandable system and integrated vacuum technology. This professional-grade backpack features a powerful electric pump system that rapidly compresses contents, transforming from a compact 38-40L to an expansive 55L capacity while maintaining perfect organization. Measuring 19.7x13.4x8.3 inches with IATA-compliant dimensions, this flight-approved backpack streamlines airport security with its 90°-180° opening laptop compartment that facilitates quick security scanning. The rugged construction utilizes high-density 400DPU nylon with water-resistant coating and 900D waterproof membrane, complemented by an abrasion-resistant bottom and TPU vacuum-sealed compression bags that ensure complete protection for your belongings. The ergonomic design incorporates a multi-panel airflow system with 3D breathable back padding, adjustable shoulder straps, and supportive waist belt that work together to distribute weight evenly and reduce strain during extended wear. Perfect for business travelers, outdoor enthusiasts, and frequent flyers, this versatile backpack seamlessly transitions from urban environments to adventure destinations while providing intelligent organization, superior protection, and exceptional comfort. Whether you're navigating airport terminals, embarking on hiking trails, or attending business meetings, this vacuum compression backpack delivers the ultimate combination of innovative technology, durable construction, and travel-ready functionality.

Military Tactical backpack size approx.:13"*20"*11" / 33*50.5*28CM (W*H*D),Capacity: 40L; Military backpack is made of high density fabric--durable and water-resistantMolle tactical backpack has molle system, Molle webbing throughout for attaching additional tactical pouches or gear as 3 day assault pack backpack combat molle backpack.Assault pack backpack with double-stitched, Heavy duty zippers and utility-style cord pulls, Side and front load compression system, Ventilated mesh padded back area & shoulder strap,breathable and comfortable.Military backpack has hydration compatible that works great for a hydration bladder (backpack didn't include hydration bladder) as hydration backpack or outdoor camping hiking backpack.Tactical assault pack backpack can be used as 3 day assault pack, range bag, hunting backpack, survival backpack, army backpack, trekking backpack or day pack for daily use