This ELAN two-hole sew-through button is a practical closure for garments, sewn accessories, and everyday mending projects. Each card includes 3 button(s) sized 15 mm (5/8 in) for button plackets, cuffs, and replacement needs on shirts and knitwear and keep a spare for future fixes. Sew on by hand or machine, and test the buttonhole fit and stitch placement on scrap fabric before final attachment.