Larger refill buttons for statement closures and home décor accents. Size 30 measures 19 mm (3/4"), providing enough area to showcase fabric motifs while remaining wearable. Designed for use with the matching assembly tool and circle template printed on the package. Great for blazers, handbags and cushions where coordinated fabric-covered hardware completes the look. The ergonomic size improves control for precise work and consistent results.