Yes, your side mirrors can get so much rain and mud on them that you can hardly use them. Just like a bug deflector on the front of you car can keep a majority of bugs off your windshield, this 'eyebrow' on your side mirror can help to keep it clearer too.
1.This rain eyebrow is made of PVC.
2.Easy to install with attached 3M Adhesive strip.
4.This fits side mirrors with curved tops/edges. Check your mirrors before ordering as some van and truck mirrors are straight edged.