Our Madrid Drop In Bowls come in 3 different materials: Medium Sistine Stone, Natural Sistine Stone, and Cast Metal. The beauty and durability of real stone has been combined with current technology and materials to create luxurious and stylish Sistine Stone Bowls that add a touch of old world elegance to any decor. Every bowl is an individual work of art. With our expansive foundries and 6 step vintage plating process our Art Cast Metal Bowls are crafted by hands as they were centuries ago. Our attention to detail assures you will receive a unique bowl the will become a focal point in your home.