Castle Mosaics White belongs to Centura's Castle Mosaics range and measures 12" x 11". Centura rates this one for walls, not floors, which puts it in backsplash, surround and feature wall territory. It ships 18 pieces to a box, covering 16.66 sq ft, or 0.9256 sq ft a piece. Being mesh-mounted, the sheet holds its spacing as it goes up and trims down to meet a corner or niche.