Modern business name based on the word "fiber".
The word "fibrium" contains seven characters and three syllables. Established brands using three syllable names include Adobe, Vodafone and Sainsbury's.
Fibrium.com is a dot-com domain. Dot com domains are the most desirable top-level-domain in the world, famously used by websites like google.com. Once you own a dot-com, it will be much easier to rank for your own name in Google.