PinMart Happy Smiley Face Enamel Lapel Pin Available as a single item or bulk packed. Select your quantity above. 100 Pack of Lapel Pins Give somebody a smile today! Show off your happy feelings on your lapel, purse, or camera strap. Our Smiley Face Lapel Pin features black and yellow enamel, gold plating, and includes an epoxy varnish to protect the surface. SIZE: 3/4" Round Each pin comes with a clutch back and is individually poly bagged.