1) Thickness tolerance: ?mm 2) Polishing degree: above 90 - 95 3) Types: a) Countertops b) Vanity tops c) Kitchen tops d) Island style e) Peninsula style and according to customers' requirement 4) Materials: Various colors available as per customers' requirements a) Granite b) Marble c) Multiple marble Beautiful and easy to clean,non-pored if you are interested in our products, please visit our website for more informations.