Rottner The Designer Post Box by Rottner is made from galvanised steel making it rust resistant and ensuring it is protected from harsh weather conditions when used outdoors. The Designer Mail Box incorporates a stainless steel door with three perspex mail viewing windows and a top loading letter slot. The letter slot is suitable for A4 mail and is fitted with a protective flap to resist rain. The Designer White Post Box also includes a fixing kit and pre-drilled holes in the rear making it suitable for wall mounting.