Glass Tile Frosted Waters Blue 3x12 is created with hand-cut of glass being individually fused together. The result is an art piece that represents the movement of the waters in dramatic colors. The Waters Glass Tile Collection is suitable for any wall residential and commercial applications. This tile is sold by the piece. In order to figure out how many pieces you need to cover your project follow the steps below: Area to be covered (square footage) X 4 = Total pieces needed.