30 pieces of high-grade 4-hole natural-color mother of pearl buttons, a perfect choice for tailored suits or luxury fashion. Natural shell buttons with a beautiful rainbow iridescent effect, commonly used for haute couture or tailored clothing, ideal for silk, cashmere, and wool materials. Mixed set includes 20 pieces of 15mm diameter buttons for sleeves and 10 pieces of 20mm diameter buttons for front closures30 pieces are sufficient for 3 suits. The buttons have a shiny appearance with color and light effects; please care for them gently using professional cleaning methods. Mother of pearl (MOP) buttons are made from the inner layer of pearl oysters, offering the authentic color of real pearls and excellent resistance to washing and cleaning. These buttons are a classic favorite detail for many high-quality shirts.