Material details: ingenious craftsmanship, preferably stainless steel 316 material, corrosion-resistant, rust-free, durable Surface treatment: The surface is high-precision mirror polishing treatment with higher precision, brightness and polishing degree, and the reflection is clearly visible. It can not only effectively prevent rust and corrosion, but also show a high-end atmosphere 5inch Round Louvered Diameter: 5inch(127.5mm) Thickness :0.03inch (0.8mm) Easy to use and install. 316 stainless steel, corrosion resistance and durable. This louvered can not only ventilate, but also prevent wind and rain Great for related vents in boats, marine, yacht, caravan, home The beautiful appearance of the wall grille cover is suitable for any architectural style and can add a luxurious touch to your home Colour:silver Material:Stainless steel Package Contents: 2 x 5inch Grille Cover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.