With the more modern coins, people come up with all sorts of names for them that are not entirely accurate - like this coin you ask about qwerty....
It's just a matter of taste, what you like better. There are sites that sell them for less.
Air-Tites are available in all sizes - you just have to buy the right size for each coin.
The bottom line is this - when you have sufficient experience, and you read comments like those of Mark and Shortgapbob - you don't question them...
By spending 35 - 40 cents for an Air-Tite.
Separate names with a comma.