... it by big slab,cut to size and countertop,etc Black Quartz Stone (quartz solid surface, engineered quartz stone)we ... floowing advantages compare with other stone products,: No scratch/Stain resistance/Heat resistance/Nontoxic/Non-radiation/Corrosion resistance/Anti-aging ... 20mm, 25mm, 30mm,etcYour any customized sizes are acceptable, Black Quartz Stone (Quartz Solid Surface, Engineered Quartz Stone)