The ELAN shank button offers a classic closure for sewing, mending, and craft projects. Each card includes 2 buttons sized 18 mm (0.71 in) with a shank back for secure stitching and a neat finish. Use on shirts, cardigans, dresses, kidswear, and accessories; match the diameter to your buttonhole and stitch with strong thread for best hold For repairs, replace all visible buttons for a consistent look.