Specification Structure: Multilayer Dimensions: 18"x 18" (457 mm x 457 mm) Thickness: 1.5 mm to 3.0 mm Wear layer: 0.07 mm to 0.7 mm Characteristics -- Bring nature indoors with the natural collection of marble and granite -- More resilient and comfortable underfoot than real stone and rock -- Highly recommended for family and commercial area -- Simple in installation, easy in maintenance