Durable 4-hole buttons in a 28 mm diameter for shirts, cardigans, coats and bags. Four sew-through holes distribute tension for a strong hold that resists rotation and heavy wear. Pack of 2 covers typical repairs or coordinated accents. Low-profile shape sits flat against fabric to prevent snagging. Suitable for hand or machine stitching using standard thread. Suitable for hand or machine sewing with standard thread.