Channel Terra Azure Mega Square 12-1/4"x12-1/4" Porc Mos The SomerTile Channel Terra Azure Mega Square 12-1/2 in. x 12-1/2 in. x 5 mm Porcelain Mosaic Tile is the perfect accent to your outdoor and indoor space. With a solid porcelain construction and glazed surface, these tiles can be used in any water-prone environment, while looking beautiful and featuring a marbleized blue color. This durable series may be used on any wall surface, on floors that receive light foot traffic and in pools or showers. Tile is the better choice for your space. This tile is made from natural ingredients, making it a healthy choice as it is free from allergens, VOCs, formaldehyde and PVC.