This is a 1.5 mm plastic adhesive vacuum formed molded covering for the 2014 to 2018 Sprinter headlight assemblies. They are molded to the shape of the headlight. These add chip and scratch protection and are UV stable up to 99.9%. Every little bit helps when you want to add protection to the front of your Sprinter. Simple installation using an adhesive backed peel and stick system. These are a complete pair ready to install and come with instructions.