This mosaic is perfect for swimming pools and spas. A glass-look handmade, hand rolled and hand cut glazed ceramic. Material: stoneware clay fired to cone 6, 2000 + degrees Fahrenheit. Fusion Accents and Step Markers are designed to possess a high range of shade variation and colors that add to the unique beauty to each installation. These fusion mosaics are not to be confused with other glass products on the market as they are strictly ceramic mosaic with a glass-look overglaze. Suitable for interior and exterior walls, including aquatic environments, fountains, swimming pools, kitchens backsplashes, bathrooms and showers.