Bathroom Long Rectangular Mirror Design. Too large size will make some problems with cleaning and so on. Also if you look bad in the morning then do not put on the looking-glass against to bed. Some interiors are perfect to be decorated by mirrors. For instance, large wall round mirror will look great in a hallway or narrow corridor. Such a method will brighten up the area by making it wider and bigger. Sure, various kinds of mirrors must be applied for different spaces. Take into account, a large looking-glass is like a masterpiece.