Slate Tiles 1. Material: natural slate, quartzite, sandstone. 2. Surface finishing: natural split, sawn, mushroom, etc. 3. Size and shape: customized according to customers'requests. Regular size 600X450X 20-40 mm 600x300X 20-40 mm 500X250X 20-40 mm 500X375X 20-40 mm 400X250X 20-40 mm 400X200X 20-40 mm 300X200X 20-40 mm 4. Usage: can be used for interior and exterior decorations. 5. Quality: handmade with best materals and strict production process. 6. Price: competitive factory price! 7. Package: seaworthy wooden packing. Welcome to visit our website, if you have interests of the stone products, we will be happy to send you any further information.