Elevate your sewing, dressmaking, and fashion designs with this pack of 4 Prym Union Knopf 12mm black poly-button shanks. These versatile shank buttons offer a sleek, classic look that provides a clean finish to coats, jackets, shirts, blouses, knitwear, and accessories. Perfect for adding a polished touch to costumes, handmade bags, crafts, and decorative projects, they ensure both style and durability for your creative garments.