UMydeal Vacuum Backpack Travel with Pump, Large 60L Expandable Backpack, Water Resistant Computer Bag with USB Charging Port, Carry on Vacpack Backpacks Flight Approved

Built-In Pump CompressionThis vacuum backpack comes with an integrated built-in pump, paired with advanced airtight technology. Extract air to shrink items by 50 percent. It expands from a 126.718. 9 inch carry-on size to 60L capacity. No extra tools are needed, enabling fast and hassle-free vacuum storage. ^^ On-the-Go USB ChargingAs a vacuum seal travel backpack, it comes with a hidden USB charging port and cable compartment: power your phone, tablet or earbuds anytime during travel, no need to rummage through your luggage for chargers. ^^ Flight-ApprovedFlight-approved dimensionsand a TSA-friendly design enable quick airport security checks, easy placement in overhead bins or under seats, and an anti-theft back pocket for valuables safety, making it a perfect pick for air travel with versatile daily usability. ^^ Ergonomic ComfortOur vacuum backpack with pump features padded shoulder straps and a breathable honeycomb back panel, which distributes weight evenly to reduce shoulder and back strainperfect for all-day travel or commutes. ^^ Waterproof & VersatileThis compression backpack for travel is made of high-density waterproof fabric, and it doubles as a vacuum carry on backpackattach it to rolling luggage with the included strap for seamless business, leisure, or daily use.