What are decorative accessories? A decorative accessory is an object that is used solely for decoration. These items are not functional and are often used to fill empty spaces or add visual interest to a room. What are examples of decorative accessories? These accessories include such items as curtains, sofa sets, cushions, tablecloths and decorative craft products, decorative wrought iron, and so on. These items are commonly used in indoor furnishings and layout and can include cloth items, paintings, and plants.