Looking for a premium stone countertop from the USA? Black Slab is a great choice! Black Slab countertop is manufactured by the well-known Cobsa brand and it’s a notable element of the Ironclad collection. Ideal for interior use, these top-tier stone countertops are perfect for elevating a variety of spaces, including basements, bathrooms, and kitchens. In a classic black color and available in a custom size, this countertop showcases its versatility with a stunning matte finish. Browse our extensive online collection or visit our tile store in Waltham, Massachusetts and let us help you find the best countertop for the right price!