Size: 600x900xT20-25mm, 600x600xT18-23mm, 600x400xT14-16mm, 500x500xT11-13mm and so on. We quote you as per sq meter Size: 600x900xT20-25mm, 600x600xT18-23mm, 600x400xT14-16mm, 500x500xT11-13mm 450x450xT10-12mm, 400x400xT10-12mm, 600x300xT10-12mm, 300x300xT9-11mmWe have black, green, yellow, rust colour ect.We can quote you the competitive price as per sq meter Yellow slate tile