Moshi cases which have been drop-tested, have been dropped onto each face, edge, and corner for a total of 26 drops from the height of 4 feet/1.2m. After each drop, the device is visually inspected for functional and structural integrity.
For more detailed information regarding these tests, you can download the complete Department of Defense Test Method Standard here: http://everyspec.com/MIL-STD/MIL-STD-0800-0899/MIL-STD-810G_12306/
If a case has been drop-tested, this information will be stated on the product page.
iPhone XS Max: moshi.com/iphone-xs-max-cases
iPhone XR: moshi.com/iphone-xr-cases
iPhone XS/X: moshi.com/iphone-xs-cases
iPhone 8 Plus: moshi.com/iphone-8-plus-cases
iPhone 8: moshi.com/iphone-8-cases