There are a dozen exotic colors and pattern designs to choose from in this trendy mosaic glass tile collection. Three different chip sizes (1” x 1”, 1” x 2” and 90 degree glass tile trim). The 1” x 2” glass tile replicates the conventional brick wall layout, which makes for an intriguing contrast between a glass component and the traditional “stone” shape. Face mounted and ready to install, Titanium glass tiles are 8 mm thick with approximately 1/8” grout joints.