Check the size and "Organ" imprint on the needles to ensure their quality.
A ballpoint tip that prevents fabric thread breakage and a special "cobra" head that reduces the fluctuation of fabric that causes skipped stitches
These purple tip needles by Janome effectively prevent skipped stitches when sewing and embroidering on heavy fabrics, including knits, quilting multiple layers, and also for sewing across the hem
Genuine Janome needles are manufactured by Organ - for the quality that you have come to trust in needles