This is a set of two Parking stopper made by PVC plastic. These Parking stoppers are 30 cm each, and they have the ideal size for stopping your front tires when you park. These Parking Asist Stopper is perfect accessories to put in garage with a really tight parking space. With these parking stopper, you will not scratch your car or bump into your wall or storage in a garage. These parking stopper comes with strong adhesive back, so installation is very easy and straightforward.