You will get:50 Car Diffuser Instruction Cards,help you use car diffuser.Appropriate size:2×3.5 inches,very convenient to carry and keep in the car.Kraft:Made from high-quality kraft paper and cardboard, it is not easily damaged and can be stored for a long time.Brown:Retro style.Good use:Put this small card in the car to remind you of the use of car Diffuser,making you more relaxed and comfortable while driving.