Chris Welch / The Verge:

Tests of Samsung Galaxy Z Flip’s “Ultra Thin Glass” display show durability is on par with plastic screens; Samsung to offer one-time $119 screen replacement  —  The Z Flip’s display scratches as easily as plastic  —  Samsung’s claim that the new Galaxy Z Flip uses “Ultra Thin Glass” …

Tests of Samsung Galaxy Z Flip's "Ultra Thin Glass" display show durability is on par with plastic screens; Samsung to offer one-time 9 screen replacement (Chris Welch/The Verge)
Source: Tech Meme