Vogue Premium Quality Cobalt Blue Glass Mosaic Tile on Mesh Designed in Italy (Box of 5 sq. ft.) Type: Cobalt Blue Glass Mosaic Tile Thickness: 3/8" (8mm) --- Grout Joint: 3/16" Finish: Glossy, Reflection Finish-----Color: Cobalt Blue Ideal use for Bathroom Walls, Kitchen Backsplashes, Pool Tile. Indoor and Outdoor Use.