It doesn't. There is no "mat" related to the game of English Billiards or Pocket Billiards.
There are generally two terms used for billiards - English billiards or pocket billiards. Pocket billiards is also called pool. Billiards is a popular bar game that has a number of different names that it has been called over the years but the most notable and popular is simply that of pool.
This depends upon which billiards game - English Billiards is most popular in the UK. Pocket Billiards is most popular in the US.
The are no values to the balls in either pocket billiards or English Billiards.
Billiards covers English Billiards, Carom Billiards, and Pocket Billiards, and each has their own set of rules.
Black
pool
A set of pocket billiards equipment will run from $200 to $400 depending upon the quality.
There are 6 pockets in a standard table.
It is not a pool table if it only has 4 pockets. If the table is from the 1700's, it could be an antique pocket billiards table.
Brunswick is the oldest name in billiards and pocket billiards. They have been making tables and other equipment for the industry since 1845 and are known for quality equipment.
You can get them by viewing the related link.