Optimum Onyx Division under the umbrella of Optimum Group's Company - Optimum Onyx Marble, understand the importance of block selection to get the required quality of the Onyx slab for ultimate cut to size onyx requirement with minimum wastage. We understand that the slabs are used for the following cut to size product requirement, that may include Tile, Counter Top, Table Top, Vanity Top,Stair Step and many more.We have the moral responsibility and our Group specific commitment to take care of the customer by understanding customer's requirement from the slab ans WIN-WIN guarantee. Optimum Onyx Division has been dealing in all categories of Onyx that include, Light Green Onyx Green Onyx Dark Green Onyx Multi Green Onyx Multi Red Onyx Multi Brown Onyx White Onyx Mono White onyx Honey Onyx   The standard measurement of Marble Slab is, Length  5 to 8 feet ( 60" to 90") Width    4 to 6 Feet (48" to 72") Thickness        2cm We assure our best efforts to minimize wastage. Our Company focus on Vale that our slab should be usable over 95% for finished products with crack free warranty.