"ELAN shank button in 15 mm (5/8 in) provides a clean, reliable closure for everyday sewing and wardrobe repairs. The Shank?back style adds thread clearance and smooth edges support easy hand or machine sewing while helping garments drape neatly without bulk. Choose white to blend or contrast on shirts, knitwear, uniforms or bags; match the diameter to existing buttonholes and reinforce as needed. ? 15 mm (5/8 in) diameter ? White finish/colour ? Shank?back style ? For cardigans, blouses, light jackets"