Keeping the outside of your car clean is fairly simple, but protecting the inside, especially the floor mats, is a bit more difficult. Now, it's easy to maintain your carpeted floor mats without having to scrub, spray or use upholstery cleaner. The Car Mat Protector is made from a top quality and very durable 16 gauge transparent plastic that is specially designed for the Lexus GS.  When you place your cars floor mats inside the Protector you are instantly protecting them from virtually anything that can cause dirt or stains -thus keeping  your car mats looking like new.SET of 4.