ACU Pin-on badges can be a challenge for repeated wear. 

Quik-Pin®provides a fast-efficient-accurate way to pin skill badges on the ACU uniform in accordance with the REG: AR 670-1 and the current ALARACT.

Quik-Pin® is both a tool to pin badges fast AND a backplate that adds a sharper appearance of the badges on your uniform...

so throw away the cardboard Hooah. 
Buy Online from Amazon or Most Military Catalog Companies