High endurance and water resistance laminate wood No added Urea Formaldehyde (certified) 5G LVT Lock System,AssociationsCertified - ANSI Accredited Program Product Certification - EU CE Certification - Korea KS Certification - ISO9001 Quality Management System Certification - Indoor Air Quality Certified to SCS-EC10.3-2014 Qualified Validated by SCS Global that our product has no added urea formaldehyde which brings no harm to your home. Exclusive - High water resistance (Constant Moisture-resistant Technology) - 5G LVT (Luxury Vinyl Tiles) Locking System makes installation easier and faster than ever! (Swedish Patented Lock),Certified - ANSI Accredited Program Product Certification - EU CE Certification - Korea KS Certification - ISO9001 Quality Management System Certification - Indoor Air Quality Certified to SCS-EC10.3-2014 Qualified Validated by SCS Global that our product has no added urea formaldehyde which brings no harm to your home. Exclusive - High water resistance (Constant Moisture-resistant Technology) - 5G LVT (Luxury Vinyl Tiles) Locking System makes installation easier and faster than ever! (Swedish Patented Lock)