... wall background and hotel etc.Expresss our high value for life.Size for slate mosaic pieces:10*10mm 12*12mm 15*15mm ... 50*50mm 25*100mmThickness:8mm,10mm,12mm,15mm etc.Sheet size:305*305mm,or other sizes as your required.We Winson ... 4.FinishTop surface natural/honed,four sides sawn cut5. Regular Size:Size:100x100mm,100x200mm,100x300mm,200x200mm,200x300mm,200x300mm,200x400mm,300x300mm,300x600mm,400x400mm ...