This glass and resin conch tile was made of natural shell, resin and glass with a durable scratch, splash and heat resistant polyurethane finish. The shell chips are randomly added into the resin tile and the inner stuffs are also random. Each sheet of the blue mosaic tile is approximately 1 square feet (12 x 12 inches). All these blue backsplash tiles are good for kitchen backsplashes and bathroom backsplashes, the tiles are resistant to the heat of stovetops and the humidity of bathrooms.