Specie – European White Oak (Quercus spp.); thickness – 3/4″ (3-layer T&G) or 5/8″ (CosLoc 5G; width – 7-1/2″; grade – Character; finish – Silk Oil, Ultra Matte or Hardwax Oil, Lifetime Structural Warranty; environmental – No Added Urea Formaldehyde (NAUF), E1 Class emissions (EN 14342) & CARB compliant. All product lines FSC certified. Made in Europe.