Opt for full-grain leather that develops a patina over time. Seek unbranded...

https://www.4shared.com/office/8NGXsAL5ku/pdf-7004-78443.html

Opt for full-grain leather that develops a patina over time. Seek unbranded designs with solid brass hardware and smooth YKK zippers. A dedicated 15.6-inch laptop sleeve and trolley strap add essential travel utility, backed by a 5-year repair guarantee