... 2 natural stone 3customized sizes are acceptable Stone name Black GravelVarious Styles SpecificationsSurface finishesApplicationsCommon sizeThe main colormachine cut,polished ... specification. different size available or as clients' requirements RED, BLACK, YELLOW, WHITE,GREY, PINK, DARK GREY. etc Packing ... reference Packing &Factury Process Stone Fair Union Stone Big Supply Ability Black Gravel