Cobalt Blue Glossy - 3x9 Cobalt Blue Subway Glass Tile - Bathroom Tile & Kitchen Backsplash Tile (Price Is Per 5 Pieces) Cobalt Blue 3x9 Glossy Finish Subway Glass Tile-Price is Per 5 pcs - 0.95 SQFT Great for Kitchen Backsplash Tile, Bathroom Wall Tile Product is sold by 5 pieces which covers 1 square foot area. Thickness:5/16" ( 8 mm) Glossy Finish.Great for residential and commercial projects. Cobalt Blue color all through the glass. Great Subway Glass Tile.