MSI Midnight subway tile features a stylish dark blue tone that’s sure to make a stunning statement. the 4 in. x 8mm x 12 in. glass tiles stand out in any space, adding drama to a kitchen backsplash, bathroom, countertop, bathroom, shower surround, or accent wall in residential and commercial areas. with a smooth finish and high sheen, tiles can be installed horizontally, vertically, or diagonally for added depth and interest. create a space that will have everyone talking with these durable, easy to maintain, greenguard indoor air quality certified tiles.