This package includes the three most commonly used needle lengths for hand sewing projects. Sizes include one each: Milliners No. 5 (0.84 X 50.8mm) for heavy weight fabrics, Betweens No. 5 (0.84 X 33.3mm) for normal fabrics and Embroidery No. 3 (0.99 X 44.5mm) for big stitch or embellishment. These steel needles are packaged in an adjustable cute heart-shaped case to keep your needles organized!