This 3-piece set of golden floral buttons, measuring 4.2cm in length and 3.7cm in width, is made of metal material. They do not require punching, making it convenient for you to sew them wherever you want. They are durable, safe, and resistant to fading, suitable for long-term use. They are ideal for woolen coats, suit jackets, chic coats, trench coats, sweaters, or handmade fabric projects. Note: Please allow for a 0.5-1cm measurement error due to manual measurement. Due to lighting conditions, there may be slight differences between the picture and the actual product. We hope you can understand.