ELAN 2-hole sewing buttons in 10 mm (3/8 in.) sew on quickly and are a versatile choice for shirts, children’s wear and light craft projects. Each retail card includes 3 buttons. Use them for clothing repairs, replacements or new projects including shirts, cardigans, uniforms and light outerwear. Check buttonhole size before installation and test placement on a fabric scrap. Attach by hand or machine with suitable thread, stitching securely through the two holes.