the quality nano glass calacatta slab Maintains the unique properties inherent in Nano White Glass Stone, with physical and chemical properties that completely cover and transcend Quartz and Sintered Glass Stone, and can be used in Exterior and Interior, Walls and Floors, Kitchens and Bathrooms' countertops.Calacatta Nanoglass White Artificia Marble Slabs is suitable for the kichen counter top,also great for public area, flooring and external curtain wall.