... grade 100% natural stone. 2>. size: 305*305mm 3D slate mosaic tile, wall mosaic,culture mosaic,mosaic slate ... ,15-25mm,as your requirementInformation 1.> Nature slate stone made with permanent color .2.> Products positive nature face, ... staining and discoloration.5.> Function : for wall decoration ,villa decoration TV, background , modern decoration ,swimming pool, building of amusement ,house floor ...