They can be made with any type of fabric, with rich or light curls, with one or two fabric panels, with central or lateral opening. Also you can have single or double curtains and add decorations and complements such as drapes, valances, bands etc.
Generally they are characterized by a moderate curling, linear sticks and fabrics of medium or light weight. The curtains are single or double with a drop and a cloth. As for fantasy and colors there are virtually endless possibilities.