Material: RV vent cover is made with impact resistant polypropylene and suitable for all weather use.
Please feel free to contact us if the item has any problem. We will try our best to resolve it.
High-density UV-resistant polypropylene and rust-resistant hardware for years of rugged use Sturdy construction & One long continuous hinge for fully adjustment Easy-to-install Zero-Leak mounting system lets you avoid drilling holes into your roof's surface