This is a high-end product constructed for the wear and tear of an active family.
It is 100% waterproof product due to it being a loose lay product which requires no glue.
20 mil Wear Layer is almost twice as thick as a 12 mil.
If you ever damage a piece simply remove the tile and replace.
It adheres to the floor due to a special sunction backing and weight of the product.
At 5.0 mm thickness it will also help hide subfloor imperfections.