Solid PVC Industrial Grade SupraTile. 7mm thick, textured finish (orange peel type), with heavy duty Dovetail industrial joint.
Dark Gray/Light Gray and Black colors $4.73/sq ft. Other colors $5.68/sq ft.
Tiles are oversize 20.5″square (2.9 sq ft/tile). Measure area and divide by 2.9 to determine number tiles required.