Mini Stone Glass Mosaic Tile Grey Blend is a combination of natural stone and glass tiles 5/8 of an inch by 5/8 of an inch mesh mounted on a 12x12 fiberglass sheet for an easy installation. This mosaic tile is suitable for kitchen backsplash, bathroom, shower, water features, shower walls, and fireplace surrounds. This product is sold by the sheet and it is 8mm thick.