Threads are available in distinct varieties that are used in sewing garments and embroidery. Sewing and embroidery threads are available in almost all hues and blended tints. Embroidery threads are available in materials such as rayon, polyester, cotton, metallic, silk and, special effect threads. These different materials offer assortment of appearance when they are embroidered into interesting patterns and intricate designs. These kinds of materials are also made into sewing threads of all colors.