[. . . ] [. . . ] Your liners are made from an engineering resin that is lightweight and extremely tough and durable. Use of Armor All®, Son-of-a-Gun® or similar items is discouraged as these products make the liners slick. INSTALLATION INSTRUCTIONS FOR YOUR SUBURBAN/YUKON XL/CADILLAC ESV THIRD SEAT FLOOR LINERS WITH 2ND ROW BUCKET SEATING REAR OF VEHICLE PLEASE FOLD YOUR SECOND ROW SEATS FORWARD TO ALLOW INSTALLATION OF LINER. NOTE THAT THERE ARE FOUR AREAS ABOVE SHOWN DARKENED, YOUR LINER SHOULD HAVE 4 PRE-TRIMMED HOLES IN THE SAME AREAS TO ALLOW THE SECOND ROW SEATS TO FASTEN THROUGH THE LINER. IF YOUR LINER DOES NOT HAVE THESE FOUR AREAS TRIMMED, DO NOT INSTALL LINER AS YOUR 2ND ROW SEATS WILL NOT FASTEN SECURELY. [. . . ] [. . . ]