When it comes to Ragno USA you will get it all. A beautiful design, with a high quality tile. Ragno USA is the well-known brand behind Shell tile which is part of the Realstone Slate XT20 collection. It provides flexibility for any renovation with a versatile grey color and , If you are looking for a tile made in the USA, Shell tile is a great choice! Visit our tile store in Waltham, Massachusetts and we will be happy to offer you the best price for this tile!