This valance type is formed a triangle and hang the curtains. For materials used usually use complicated ingredients one of which is velvet and silk. Then the valance fabric on this type also has tassels or fringes. Box pleat valance is a type that is similar to the pattern on the skirt. The flat-shaped, has a symmetrical folds. Fabric valance can be folded back on the reverse side. Ideas & Inspirations.