Aside from the colours, shapes, and sizes of blinds, they also come in a variety of different materials to help fit your budget and to compliment the furniture in a room. You can find rainbow blinds that offer a dual layer of fabric for a more contemporary look. Rainbow blinds will give the effect of blackout blinds but will not block out all the lights as it has more sheer type of dual layer fabrics. Rainbow blinds is getting more popular because of this appeal. It departs from traditional type of blinds to a sleek, contemporary look with unique functionality with the dual layer fabrics structure.