Young Business 17" Laptop Backpack

black, waterproof, adjustable shoulder straps, large capacity, buckle strap on the back for easily hanging on the suitcase, an airplane carry-on, a zippered anti-theft pocket, comfortable padded, breathable mesh and shoulder, two side pockets, as a slim backpack, a travel laptop backpack, business backpack, a tote or daily backpack.

https://youtu.be/U-sFz3sRZnQ