Clay‑based tailor’s chalk that makes fine, crisp lines for accurate cutting and construction. Assorted colours improve visibility across light and dark fabrics, and the included plastic case protects the chalks from breakage between uses. Marks brush off easily on most textiles after sewing. A simple, dependable marking solution for classrooms, alterations, and home studios where durable, removable guidelines are needed for darts, pleats, buttonholes, and topstitching placement.