Aerospace engineers demand precision, even in their travel gear. This article...

https://astro-wiki.win/index.php/Von_Baer_No._1_Briefcase_Size_Check_%E2%80%93_Will_It_Fit_My_Laptop%3F

Aerospace engineers demand precision, even in their travel gear. This article breaks down luxury briefcases and travel cases built to meet those standards. Expect 20,000 hinge cycles for durability and compartments sized exactly for 15.6-inch laptops