Cose's 12mm black plastic snap buttons offer a lightweight and durable closure for garments and crafts. This set of 10 units, made of high-density T5 plastic, ensures a smooth and firm fit that won't rust or be damaged by washing. The understated black tone ensures a discreet finish on dark-colored fabrics. They are ideal for use on bibs, fabric bags, reusable diapers, and children's clothing.