Architecture with many open areas or windows, particularly in the tropical place or country such as Indonesia, makes the house cooler as well as smooth air circulation. Thus, the dwellers are more comfortable inside the house. On the other hand, a window certainly needs a curtain that has many of purposes. Curtain is a piece of cloth hung at a window, in a doorway, or round a bed, usually for privacy or excluding light or droughts and to aid sleeping at night also stopping people outside from being able to see inside, often for privacy reasons. Alternatively, something that resembles a curtain in appearance such a shower curtain that place in a bathroom.

Curtain divided into two kinds that adjust to the use, which are blind and curtain. Curtains can be made from varying thicknesses of fabric, each with a differing degree of light absorption and heat insulating qualities. Alternatively there is another kind of curtain called lace curtain, which made of thin fabric although is unlike curtain, lace curtain mostly use when day. A window blind is a specific type of window covering which is made with slats of fabric, wood or metal that adjust by rotating from an open position to a closed position by allowing slats to overlap. It is appear in range of selection varying with the material and colors.

Curtain enables use as a home decoration when the house may unable to be decorated with some accessories. This piece of home decor is forms of window treatments, which controls the ambiance, flow of natural light into the room, and complete the overall appearances of the house in which can use tie back or else try different style. The effect of drapery or curtains is best seen in daylight, and with proper indoor light positioning, it can look attractive even at night. Take a note when measuring the curtain size; it is needed for each window varies greatly according to the type of curtain needed, window size, and type and weight of curtain. Curtains come in a variety of shapes, materials, sizes, colors and patterns, also there are many shops particularly in selling curtain.