Zipsak Boost! Expandable Under-Seat Carry-On + Zipcube

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Our expandable under-seat carry-on is an extremely versatile bag that starts off as a small easy-to-store pouch, and opens to become a 4-wheeled carry-on that slides comfortably under the airplane seat in front of you. Need more space? No problem! Your under-seater expands a full 5″ upwards, to become a full sized TSA approved carry-on! An extra-deep packing cube is included, so you can pack your clothes in the cube, and still have plenty of room for your other carry on items.


  • Dimensions: 16″x15″x 9″ and expands to 21″x15″x 9″, weighs only 3.85 lbs!
  • Folds into a 15″x9″x 4″ pouch for easy storage
  • Item comes with a custom fitted and extra-deep packing cube (dimensions: 14″x9.5″x5″)
  • Durable and water resistant nylon fabric
  • Rear trolley sleeve, allows you to slide the bag over the trolley handle of a suitcase
  • 4 multi-directional spinner wheels
  • 3 exterior zippered pockets, and two interior mesh zippered pockets
  • The carry-on can be wheeled or carried using its adjustable cushioned shoulder strap.
  • Two year warranty


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