The "mother-in-pearl square” buttons are a truly unique specimen made of natural mother-in-pearl. It adorns blouses, blazers, and jackets with its square shape in the following sizes: 13 mm, 15 mm, and 18 mm. The buttons are fitted with two sew-on holes, therefore making them perfectly suited for fine and light women's apparel. These dazzling mother-in-pearl buttons can be washed at up to 30 degrees and are cleaning-resistant. Depending on the button size, four or five buttons are attached to the self-service card.