Roller Blinds were once a very simple window accessory and often a less expensive alternative to curtains. the blinds were typically made of thickened paper surrounding a spring loaded tube. a person could pull the blind down to shade a room, pull the blind again and it retracts around the tube. roller blind were almost always a shade of grey ,and were available in thickness that allowed for a greater or less darkening effect. times have changed, however and roller blind are no longer so simple. these blinds are usually still coiled around a spring-loaded aluminium tube, but the flimsy paper and monochromatic colours are a thing of the past. roller blind are manufactured from materials as diverse as sun screen and black out styles can be purchased to fit with any room or blinds might be custom-made.