This Duraflex Sigma body kit is ideal for car enthusiasts who want to upgrade the look of their 2007 - 2009 Nissan Altima 4DR. Whether you're driving around town or hitting the track, this kit will make your car stand out. It's made of FRP material, which is lightweight yet strong. While specific size and weight details aren't provided, you can expect a well - crafted set of parts that are designed to fit your car perfectly. Professional installation is a must to ensure a seamless fit and finish.