Marble manufacturing specifications used from the internationally approved Ford company, marble resistant to bacteria and fire. Manufacturing specifications: Materials used for gluing and assembly: Jolly Abu Jamal Italian Marble silicone, strongest against bacteria Sink holder specifications: 2mm galvanized iron holder 4 screws with a cap flash for guaranteed installation We are the only ones with a guarantee against manufacturing defects. Completion time: 3 days, by the grace of God. We prioritize customer satisfaction first.