1、Multipurpose: Button pins can be used for various sewing activities or DIY crafts, leather processing, to meet your various DIY needs. 2、Durable Material: Mini brooch pin is made of iron and plastic, strong and durable, not easy to rust, fade, suitable for different sewing projects. 3、Convenient to Use: Collar button pins are effective fasteners for different sewing projects that can be sewn using a sewing machine and by hand, no hammers or punching required. 4、Wide Application: Button pins can be used to repair broken pants, dresses, slacks, sweaters and more. 5、Sturdy Durable: Decorative brooch buckle easily and conveniently matches your sewing project and is durable. Item Type: Button Pins Material: Plastic, Iron 150 x Button Pins 3 x Storage Box