Heterogeneous, PVC 3mm, 16 pcs/box (38.4sqft/box) Surface Treatment: Full-matte Wear Layer Thickness: 0.12mm Dimension: Wood: 184 mm x 1219 mm / 7.25'' x 48'' Fire, slip & wear resistance. Non-toxic. Green building-material compliance. Comes with 5 years manufacturer warranty for residential usage.