Tired of badges that tarnish or break after few uses? Our well-made badge backs solve this with strong materials. The tinplate/plastic combo creates a secure closure that blocks dampness - no more oxidation marks on precious memorabilia. Whether you're making group badges, protest pins, or wedding favors, these covers transform your designs into heirloom-quality keepsakes. Each set includes everything needed: sturdy upper covers, stable bases, and protective films. Give presents that last - your handmade creations will look like new decades later! Item Type: Badge Back Cover Material: Tinplate, Plastic Specification: 100 Sets (One Upper Badge Cover , One Lower Badge Cover , One Film is One Set) Product Function: DIY Badge Package List： 100 x Upper Badge Cover100 x Lower Badge Cover 100 x Film