There are a lot of inexpensive, non-slate tables sold – they are often marketed as slatron or perma-slate (essentially, mdf that is designed to look like slate). Slate is the best playing surface for a pool table, due to its weight and durability. A premium-quality slate table will be diamond-honed and machine-cut to meet specifications for true flatness. You can take a look underneath your table to determine the playfield, but if you’re still not sure, we should be able to help you determine the answer with pictures or the manufacturer’s name.