These Peterbilt 1973 and newer bunk vent door covers are made of durable stainless steel. They are available in a press-formed stainless cover and are sold in pairs. These covers easily attach to the bunk vent using the supplied 3M two-sided tape. Designed to fit most Peterbilt 1973 and newer makes and models, these bunk vent door covers provide practicality and protection for your truck.