This black single privacy cab curtain is made of a tear-resistant and water-resistant material and blocks out sun and glare. It features scratch-resistant plastic coat hooks and has reinforced seams and grommets. It is 28 inches long and stretches to fit up to 11 feet wide to accommodate a semi truck sleeper cab as well as to create a privacy area inside a van or camper. The elastic cord makes it easy for you to adjust this truck curtain to your needs. This cab privacy curtain isnt just for sleeper blackout use but also can be used across a vehicle windshield to block out sun and keep it from heating your car or truck while parked.