The air vent is made of nylon material, safe, sturdy and durable to use. Oblique blinds designed to prevent into your car, very practical. This air vent does not require much effort to install, easy to clean and maintain. Suitable for RVs, , boats, etc. Features -Color: White. -Material: Nylon. -Size: About 8.40X8.40X7.50cm/3.30X3.30X2.95in. - Constructed from nylon for excellent seawater resistance, durable enough to be exposed to air on board. - Simple installation method, it can be easily installed on the vent and will not fall off easily. - Great for motorhome, marine boats, sheds, or campers, and anywhere else air is desired to travel through. - Not easy to damage, efficient and durable, easy to replace, will be your excellent choice of accessories. - It is a good assistant for offshore operations. It can cover wall or ceiling openings and duct vents and is easy to use. Package list: 1 x vent cover