Hard Case / Carry-on Luggage Case Backpack Carrying System is a new and comfortable way to convert your hard cases into backpack carrying in some situation. 1. Adjustable strap length enables lower or higher position carrying. And it can hold different sizes of hard case. 2. One sleeve main zipper pocket can hold book and/or ipad 3. Three zippered pockets to hold personal items, and/or accessories 4. Button lock to secure from accidental release of buckle 5. Excessive strap length being neatly folded and held. 6. A nylon cap to cover up the panel straps / buckles and looks like a slim backpack. Specifications: - Item no: BA34 - Main Material: High Quality Polyester Webbing - Weight: 1.05kg(2.3lbs) - Color: Black - Dimensions: H 44cm(17.3") X W 33cm(13") - Horizontal Strap Length Range: 58cm(22.8") to 156cm(61.4") - Vertical Strap Length Range: 104cm(40.9") to 196cm(77.2") ** Please note that maybe there has color difference between the photos and actual product. Manufacturing Partner: Deltamann Ltd. Hong Kong