This set includes twenty-five red Janome J bobbins neatly stored in a convenient Janome-branded organizer, perfect for easy transport and organization. Crafted from a unique rubber and plastic blend, these bobbins securely hold thread while reducing machine vibration and noise. Compatible with all standard Janome sewing machines—except the MB4, MB7, HD9, and 1600 series—these bobbins offer reliable performance for your sewing projects.