TUMI Merge Wheeled Backpack Carry-on bag, backpack, suitcase, wheeled backpack This is a wheeled backpack. It has only been used a few times after purchase. There are scratches near the rear wheels. Approximately 53.5cm tall x 33cm wide x 20.5cm deep 30L size This is a rare type that is not available through official channels. It's a 2-way bag that can be used as a backpack in the city and as wheeled luggage at the airport or during travel. The handle can be stored. When used as a backpack, there is a cover to prevent the casters from touching your back and dirtying your clothes. The straps can be stored when not used as a backpack.