Military Dog Tag Silencers Set - Silicone Made From Silicone Material. 4 Glow In The Dark Silencers. Silencers Use For Tog Tags Silencers Come In A Circle But Are Made To Be Stretched Over The Oval Size Dog Tags, So They Fit Securely Will Silence Noise & Eliminate Clanking Of Dog Tags Perfect For Anyone That Needs To Replace Their Own Old Worn Out Silencers