Canine Covers CoverAll 2nd Row Custom Fit Seat Protector for Select Mercedes Benz GL-Class Models - Polycotton (Black) Seat covers custom tailored for a perfect fit Fabrics breathe to assure travel comfort for your dog Quilted padded seat base for additional canine comfort Nylon liner for added waterproof protection of covered seat; non-slip layer used on seat base helps hold Canine Covers in place