MSI Blue Shimmer Glass Subway TileLuminous, layered, mesh set. MSI Blue Shimmer Glass Subway Tile delivers blue glass mosaic in 2x6 format for backsplash, feature wall, and shower applications. Pairs cleanly with warm toned brass fixtures, polished hardware, and the kind of restrained grout that lets the tile do the design work. What this surface does best is the second look the kind of detail a guest notices after they've already taken in the room. The mesh set format means it goes