Sanary's quartz slabs and prefabricated countertops are of the utmost quality and extremely durable. Prefabricated countertops refer to countertops that have been customized to specifications and cut into a certain standard size before being sold. They usually only have a specific size and shape, but according to customer needs, they can also be cut after sale. The regular quartz perfab countertop dimensions provide by Badan-- 110"x26", 110"x36", 110"x42", 110"x52", with 4" or 6" backsplash.