Ren Olivia 345 x 190 x 187 Aluminium pakket brievenbus Corten steel is a strong Choose your desired color::Black Corten steel is a strong type of steel that protects itself by developing a natural rust layer when exposed to the outdoors and with the built in interior lighting you can see whether there is mail day and night depending on the animals you keep: a fine mesh for smaller animals or a sturdier mesh for larger ones you can quickly and effortlessly create a safe and comfortable home for your pets