PT 2004COLLECTIONPERN TILE COLLECTION DESIGN Concrete TYPE Tile DRY BACKTHICKNESS 2.0T SIZE 18 x 18in I 457.2 x 457.2mm PER BOX 54.00sqft I 5.02sqmt LOOSE LAYTHICKNESS 5.0T SIZE 23.62 x 23.62in I 600 x 600mm PER BOX 23.25sqft I 2.16sqmt