If you are looking for a high quality, durable porcelain tile from the USA, we recommend you buy Boulder. Perfect for both exterior and interior applications, these high-quality porcelain floor tiles suit different styles and preferences. Available in a grey color, it is offered in sizes 12x24, 20x20 and comes in a natural finish. Manufactured by Happy Floors, Boulder tile is an integral part of the Sierra collection. Browse online, call us, or visit our tile store in Waltham, Massachusetts to get the best price for this tile!