The word "mcls" contains only four characters and four syllables. Leading companies using four syllable names include ESPN, Unilever and Panasonic.
This domain was first registered in February 1997. Older domains have an advantage when ranking in search engines.
Mcls.com is a .com domain. Dot com domains are the most valued top-level-domain in the world, famously used by websites like google.com. Once secured, a .com all but guarantees no-one else can outrank you for your own name in the long run.