Allstar Transmission Blankets keeps transmission explosions contained if an internal sprag or drum fails. This safety blanket is ideal for high horsepower race cars with stock firewall/floor pan where a transmission shield isn't practical. Allstar Transmission Blankets are made from ballistic nylon. They meet SFI 4.1 specifications and are NHRA/IHRA approved. Allstar Transmission Blanket are 12" x 49" and are complete with straps. They may be secured to virtually any automatic or manual transmission.