If you want to pin an outstanding promotional tool onto your customers, this hard enamel lapel pin will do the trick! Available in several sizes, this eye-catching accessory is a great handout for schools, sports teams, military branches and so much more. hard enamel pins are also known as Hard Enamel Cloisonne Epola, Clois-Tech, Cloisonne II and semi-Cloisonne. Unlike traditional Cloisonne pins which have a very limited color palette of about 120 colors, Hard Enamel has tho nds of Pantone colors to choose from. Customize with an imprint of your company logo and message for increased brand exposure.