Round 4‑hole buttons sized 12 mm (1/2"), packaged 4 per card, for reliable repairs and fresh makes. The smooth, durable plastic surface suits shirts, blouses, children’s wear, costumes and craft projects. Sew on by hand or machine; the low profile sits flat and comfortable on fabric. Great for replacements, embellishing bags and cushions, or keeping a spare set in your kit for quick fixes at home or on the go.