Package Includes --You will receive 32 sets of cloth covered with metal shank round buttons, black color, plenty of quantity and classic color to meet your different needs Size Reference --Our baseball cap button diameter is about 17mm/0.67inch, please check the size of the button before ordering to better fit your clothes Premium Material --Baseball cap button top replacement button is made of premium quality fabric covered with iron rivets, durable and reliable, not easy to bend or damage. Bring you a great using experience Easy to Use --You just need to insert the rivet into the holes of the fabric buttons and make them firm, easy to install without sewing, easy and simple to use Widely Usage --Not only can be used for handicrafts, but for scrapbooking, knitting, clothes sewing and costumes embellishments more