Specifications Structure: Multilayer Dimensions: 18"x 18"(457 mm x 457 mm) Thickness: 2.5 mm to 3.0 mm Wear layer: 0.5 mm to 0.7 mm Characteristics -- Concave and Convex technique provide the tiles with anti-slip, water-resistance -- Wear layer is usually 0.5 mm or 0.7mm,protect the printed films from been destroyed -- Comfortable underfoot, strong stereoscopic feeling and seems like be vividly portrayed -- Highly recommended for heavy traffic public and commercial area