Allstar Black Transmission Blanket features a blanket which is 12 inches x 49 inches. It meets sfi 4. 1 specifications. It is also nhra and ihra approved. It is black in color and made from ballastic nylon material. It keeps transmission explosions contained if an internal sprag or drum fails. It is ideal for high horsepower race cars with a stock firewall/floor pan where a transmission shield isn't practical. It may be secured to virtually any automatic or manual transmission. It is backed by a 90-day limited factory and sold individually.