https://finance.yahoo.com/news/sennheiser-unveils-3000-glass-covered-headphones-hardcore-audiophiles-103926306.html > Only time will tell whether the headphones are built to last. But the glass covers are made with Gorilla glass, the same type of scratch- and shatter-resistant glass found in many smartphones, tablets and laptops. According to Gorilla glass maker Corning, its glass can withstand drops of up to five feet or so, up to 80% of the time." data-reactid="25">Only time will tell whether the headphones are built to last. But the glass covers are made with Gorilla glass, the same type of scratch- and shatter-resistant glass found in many smartphones, tablets and laptops. According to Gorilla glass maker Corning, its glass can withstand drops of up to five feet or so, up to 80% of the time. > As for whether the HD 820 merit that price tag and such bold claims, we’ll report back once we’re able to get some hands-on time with them later this week.