12"x12" Full Size Sheet Gray and White Glass Mosaic Tile Mix for Bathroom, Kitchen Backsplash Color: Dark gray, medium gray, white Each tile measure 1 inch x 1 inch and 3/16 inch (4mm) thickness, total 144pcs tiles in 1 sheet. Each Sheet measure 12-5/8" x 12-5/8" (1.11 sqft) Back mounted on mesh with a joint of 2 mm, easier to be installed than paper-mount Cost: The price is per sheet; Sheet Size: 12-5/8" x 12-5/8" (1.11 sqft)