Clazzio is a cutom fit slip-on seat covers, but look like a professional upholstery style seat covers once installed. Measurements are taken in a unique 3 dimensional way and are designed specifically to each seat pattern. Installation is so easy that you can install these covers right over your originals without removing your seats (in most cases). Seat cover kits include seat covers with arm rest covers, headrest covers, and back pockets (on the back of the front seats). These seat covers are made of tough materials suited for the harsh conditions of a vehicle's interior. They are treated with anti-bacterial and deodorant coatings and are highly flame-resistant & durable. Up to 15mm of memory foam is used in the seat section so that you are comfortable during long hours of driving. Clazzio seat covers are designed so that installation is simple. The seat cover attaching technique uses Velcro, Belts, Elastic Straps and Plastic Hooks, depending on the vehicle application. The installation manual comes complete with detailed photos and instructions, allowing you to make a perfect fit on your own.