Assortment of embroidery with ribbon needles No. 18/22 for heavy, medium or light fabrics. Pouch of 3 needles. Embroidery needles are used on weft and warp fabrics from the thickest to the thinnest for all types of traditional embroidery. They have a big eye that makes it possible to thread the cotton embroidery yarn (or yarns) through, which is thicker than a conventional sewing yarn.