Classic 4-hole nylon with a smooth, leather-look texture for a polished finish. Sized for medium to heavy projects and ideal for cardigans, coats, bags and handmade garments. Card includes 1 button sized 48mm (1 7/8") diameter. Compatible with standard sewing needles and threads. Plastic/nylon buttons are durable and easy-care; for longevity, avoid very hot water and high dryer heat. Designed for repeat wear; edges are smoothly finished to protect yarns and fabrics.