... customer’s requirements.1. Common Color:Rusty,Black, green, gray,yellow,etc.2. Regular Size: 50*25cm,40*20cm,30*30cm ... package, suitable for long-distance delivery4. Advantage: 30%-80% of yellow/rustic color or as per customer’s requirements. cid-resistant ... .56%, slate pencil /slate/ slate tile/nature slate/nature stone new design roof slate